–Who is the man talking to the headmaster?
–A professor ________ a visit to our school.
| A．pays | B．is paying | C．paid | D．paying |
When she woke up, she realized that the things she had dreamt about could not have happened.
| A．possibly | B．likely | C．certainly | D．usually |
Susan and I can go to the lecture ___.
| A．but neither can Charles | B．and so Charies can |
| C．but Charles can’t | D．and Charles also can |
Joan___play on Saturday.
| A．going to | B．can | C．is going | D．can to |
Tell the boy that he ___ in the river.
| A．swims | B．swim | C．swimming | D．to swim |
You___hand it in at once, you may hand it in tomorrow.
| A． needn't | B．may not | C． can't | D．must not |