--Is the man standing outside the teacher’s office Mr. Zhou?
--No, it ______ be him. He has gone to Hong Kong for an academic conference.
| A．mustn’t | B．can’t | C．needn’t | D．couldn’t |
My mother was cooking while I_________ the radio.
| A．listened to | B．have listened to | C．was listening to | D．am listening to |
I decided to follow it to see _________.
| A．where it was going | B．where was it going |
| C．what was it going | D．what it was going |
Many parents are always ________ their kids ________ others’.
| A．compare, with | B．compare, to | C．comparing,about |
| D．comparing, with |
---Could I borrow your dictionary?
---Of course you ________.
| A．could | B．can | C．must | D．should |
The boy ________ his book here and forgot ________ it home.
| A．left, took | B．left, to take | C．forgot, brought | D．forgot, to bring |