have
get
become
turn
第1题:
Be careful when you ________ the derrick
A.operating
B.operates
C.operate
D.operated
第2题:
A、considerable
B、considerate
C、concerned
D、careful
第3题:
-- Do you mind if I_____________the TV a bit?
-- Yes, I do, because I'm busy with my homework now.
A. turn on
B. turn up
C. turn down
D. turn off
第4题:
第5题:
You ______ cross the road when the traffic lights are red. It’s dangerous.
A. needn’t B. may not C. mustn’t
第6题:
________ when you cross the road.
A、Do care
B、Care
C、Do be careful
D、To be careful
第7题:
when you do the watch keeping in the engine room ,what should you be careful about ?
第8题:
A.after
B.when
C.what
第9题:
第10题:
-Hello, may I talk to the headmaster now?-()
ASorry, you can’t
BNo, you can’t
Csorry, he is busy at the moment