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In the modern world of scarce resources, there is an  ____________  need to ensure that environmental health interventions are innovative, effective and proven to work.

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We can’t see the stars at night ________ the light pollution.

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As its name suggests, “Painting for Beginners” caters  __________  to those who have never studied the craft before.

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To safeguard your family against foodborne illnesses, make sure you  ___________  wash utensils after use, especially if they have come into contact with raw meat, fish or poultry.

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The clerk said that ________________   fifteen customers had been waiting outside the store for it to open.

Sheila had butterflies in her ________ before the interview.

 Where is ______ pretty, pink sweater I bought last week? 

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When employers offered flexible work hours, employees were  ________  to take advantage of them.

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Ms. Kimberley was asked to find out which gallery displays the works   ________ are shown in the book of paintings.

We'll buy everything you produce_________it's reasonable.

The British and the American share the same language, but in other aspects they are as different as   .................

Choose the best answer among A, B, C or D that best completes each sentence: Lan regrets not ____ gone there with her friend.

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______________ by poor weather conditions, the sailing team missed out on setting a world record.

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Thanks to pictures taken by satellites, deserts have not ________ a mystery in our time.

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Our pin-point marketing will maximize your return on investment, and our targeted communication efforts will be   _________ meaningful to your customers when they arrive.

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The board of directors   _____________  has not formed a project team, however, announcement is expected by the end of the mouth.

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World Photo is currently on the lookout for ------- and knowledgeable wildlife photographers.

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At Kaplan Optics, employees are  __________  to learn from one another by sharing their experiences from previous design projects.

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Unless another  __________  applicant is found, Mr. Johns will be transferred to the office in China.

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Employees are encouraged to attend a training session  ____________  to their jobs at least every three months.

It is against the law to ................... on the basis of sex, age, marital status, or race.