The teacher found ____ difficult to decide ____ he would take with him to attend the conference.
| A．it; whom | B．himself; who | C．this; whom | D．that; who |
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 |
Anne___tomorrow.
| A．can sing | B．can to sing | C．is going sing | D．going to sing |
____ you tell me what has happened?
| A．May | B．Must | C．Can | D．Could |