Question

Điền vào chỗ trống :

Scientists say life started in the ocean. However, humans aren’t natural swim­mers. We (1) _______ swim as babies, but we forget and then we (2) _______ learn to swim again. 

We (3) _______ forget that our world is mainly water. So we (4) _______ all learn to swim. We (5) _______ try to stay away from water, but it is very difficult. The time al­ways comes when we need to cross water.

We (6) _______ learn to swim when we are young. It is easier to learn then. Our par­ents (7) _______ help. They (8) _______ give us the opportunity to learn to swim.

Từ gợi ý :

can          can’t               must              must not should       shouldn't        ought to        ought not to

 

 

Answer 1

Điền vào chỗ trống :

Scientists say life started in the ocean. However, humans aren’t natural swim­mers. We (1) ___can____ swim as babies, but we forget and then we (2) ___must____ learn to swim again. 

We (3) ___must not____ forget that our world is mainly water. So we (4) ___should____ all learn to swim. We (5) ___can____ try to stay away from water, but it is very difficult. The time al­ways comes when we need to cross water.

We (6) ___ought to/should____ learn to swim when we are young. It is easier to learn then. Our par­ents (7) ___can/should____ help. They (8) ___should/must____ give us the opportunity to learn to swim.

Answer 2

1 - can                      2 - must

3 - must not              4 - should

5 - can                      6 - ought to/ should

7 - can/should           8 - should/ must