All the drivers_______ reduce speed when driving near the zebra crossing．（ ）
A．canB．can'tC．mustD．mustn't
Do you still want to go climbing have you changed your mind？（ ）
A．andB．butC．soD．or
The police officer stopped us and asked us where ．（ ）
A．were we goingB．we were going
C．are we goingD．we are going
The charity show nearly three hours．Nobody left the hall early．（ ）
A．coveredB．reachedC．spentD．lasted
We haven't decided yet we will place our new furniture．（ ）
A．whereB．whatC．whyD．which
I saw Tom his key in the lock，turn it and open the door．（ ）
A．putB．puttingC．putsD．to put