( )1.Don't spit ______ the ground.
A. at
B. on
C. under
A. at
B. on
C. under
答案
B
( )2.You must take good care ______ young children.
A. with
B. in
C. of
A. with
B. in
C. of
答案
C
( )3.______ must we do?
A. What
B. Which
C. Where
A. What
B. Which
C. Where
答案
A
( )4.______ cross the street when the light is red.
A. Do
B. Don't
C. Not
A. Do
B. Don't
C. Not
答案
B
( )5.What's wrong ______ Micky?
A. in
B. on
C. with
A. in
B. on
C. with
答案
C
( )6.You ______ cross the street when the light is green.
A. can
B. need
C. mustn't
A. can
B. need
C. mustn't
答案
A
四、看图片,选单词。
1.
2. 3.
4. 5.
1. We ______ (must, mustn't) wait for the traffic light.
2. You ______ (must, mustn't) pick the flowers.
3. We ______ (must, mustn't) help old people.
4. You ______ (must, mustn't) keep off the grass.
5. We ______ (must, mustn't) litter.
1.
4. 5.
1. We ______ (must, mustn't) wait for the traffic light.
2. You ______ (must, mustn't) pick the flowers.
3. We ______ (must, mustn't) help old people.
4. You ______ (must, mustn't) keep off the grass.
5. We ______ (must, mustn't) litter.
答案
1. must
2. mustn't
3. must
4. mustn't
5. mustn't
2. mustn't
3. must
4. mustn't
5. mustn't
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