It is essential that these application forms ______ back as early as possible.
| A．must be sent | B．will be sent | C．are sent | D．be sent |
.The headmaster hurried to the concert hall only _________ the speaker_____
| A．to find; left | B．to find; gone | C．finding; left | D．finding; gone |
—I failed again. I wish I _________ harder.
—But you _________.
| A．had worked; hadn’t | B．worked; don’t | C．had worked; didn’t | D．worked; didn’t |
-What did you do yesterday afternoon?
-I went to the bookstore，___ some books and visited my uncle.
| A．to buy | B．bought | C．Buy | D．buying |
The stone on the river bank rolled under her feet; she was _____into the river，and she called out for help.
| A．being jumped | B．jumped | C．pulled | D．being pulled |
-Everyone says you are a good student. You are never late for school，are you?
-_______.
| A．No，sometimes | B．Yes，sometimes | C．Yes，I did | D．No，I do |