Let me know if you need ______help.

GPS systems help a lot of people to ___________ on land, on the sea, and in the air.

Choose the correct answer in each sentence.

On the first day of painting course, student should provide the teacher with proof of ________.

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When customers have a complaint, employees have been instructed -------- the supervisor on duty.

Choose the correct answer in each sentence.

The contract must be signed ------- opening of formal discussions.

The government is aiming ..........  a 40% reduction  ............ unemployment.

Choose the best answer A, B, C or D to complete the sentences.

Have her ____ these letters, please.

Did you take _______ photographs when you were on holiday? 

Several seats in the auditorium may be easily and .................... removed for the accommodation of wheelchairs.

Choose the correct answer in each sentence.

The novelist said that his writing was --------- influenced by the late writer Edward Truitt.

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At the Podell Automotive plant, Ms. Krystle _____________   workers who install rebuilt engines in vehicles.

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Although they usually leave at 6:00 P.M, the employees are  _____________  in the store preparing for tomorrow’s big event.

Because of their size, few of our plumbing fixtures are .................... for indoor use.

Choose the correct answer in each sentence.

---------- making structural changes to a house must first apply for a building permit.

Choose the best answer:
It was very nice ............ him to give me a lift.

Choose the best answer:
She has ................. English in that center for 3 months.

Choose the correct answer in each sentence.

The contract  _______________  states that the tenants must renew their rental-property agreement by March 1.

No wonder the vacuum cleaner isn't working. You haven't ____ it ____.

Please send a confirmation of reimbursement ................ the next few days. 

Choose the best answer among A, B, C or D that best completes each sentence:   The government has ...........…. guidelines on the treatment of the mentally ill.

Choose the correct answer in each sentence.

According to the physician, Ms. Oliver's pain ____________   within two hours of taking the medication.