Defensive players are not allowed to interfere ________ the opponent's movement

The risks of developing cancer can  .............   by not smoking and by drinking in moderation.

It is necessary for students to listen to their teacher ______. 

Identify the error in each sentence: Because of bad weather conditions it took the explorers three days reaching their destination

Choose the correct option:

He prefers playing football_______________ volleyball.

We  can also see the stone dragons of  Kinh Thien Palace and relics associated with  many Vietnamese royal families, ............. during archaeological excav ations.

They had an …. day by the river. 

The jeans are too long; you should have them__________.

 The …. are requiring us to repair the machines. 

My mother made a birthday cake__________.

There’s a ___ of blackbirds at the bottom of the garden.

Identify the error in each sentence: For at least (A) 4000 years Native American artists adorned rocks, cliff walls, and caves (B) in the American Southwest with an amazing various (C) of symbolic figures (D)

Two ground-breaking reports on lifelong learning by UNESCO     in 1972 and 1996 articulated fundamental principles of lifelong learning.

Let me give some advice. If you _________ less, you _________ tired. 

 The ….. of TV is always fast

 These school-leavers are looking forward  ................   on campus.

Today the move away from rigid rules makes it much easier (1) ________ the right way to behave because there are fewer out and out ‘wrongs’. Of course there are still a few situations where inflexible rules (2) ________, although these are mainly concerned with official functions. But nine times out of ten, the way you choose to behave is (3) ________ you, with one very important proviso: that you keep firmly in (4)________ the basis (5)________ etiquette has grown up; in other words, the need always to consider other people's feelings first. 
Some people, for instance, are very informal and outgoing by (6) ________, while others prefer to be more reserved and formal. Younger people tend to be less formal than their parents. Habits can (7) ________ in different parts of the country. Behaviour which may be commonplace in the capital - like arriving later than the stated time - can often be unconventional (8) ________. Just remember the basic rule of consideration for others, and when in doubt, follow the example of those around you. Etiquette is a skill that is easily learned and it brings the benefits of other people's appreciation whenever you (9) ________ in practice. It's a pleasure to spend time with people who are reliably courteous and (10) ________; it's also pleasant to feel that you will always know what to do or say in any circumstances, mundane or extraordinary
(8).....................

Their ________ play lost them the match against an amateur team.

Tom had finished the exam when the teacher _________ the papers.

She  ...........   be forty years old! She looks much younger.

 I have visited ............ Portugal but I have never been to ..............  Netherlands.