He was just about to jump into the river luckily his guide saw him and stopped him.
| A．while | B．as | C．when | D．since |
4. _____ can be done _____ been done.
| A．All; have | B．All that; have | C．All; has | D．All that; has |
3. He played on the _____ for two hours and when he returned he found half his goods _____ stolen.
| A．sand; were | B．sand; was | C．sands; were | D．sands; was |
2. The League secretary and monitor _____ asked to make a speech at the meeting.
| A．is | B．was | C．are | D．were |
小测验
1.The whole class _____ the teacher attentively.
| A．are listening to | B．is listening to | C．are listening | D．is listening |
64. -- Bob still performing?
--I’m afraid not. He is said ________ the stage already as he has become an official.
| A．to have left | B．leaving | C．to leave | D．to be leaving |