He began ______ in the early fifties, singing and ______ the guitar.
| A．performing; play |
| B．performed; played |
| C．performing; playing |
| D．performed; playing |
– I rang you at about ten o’clock, but there was no reply.
– Oh, that was probably ________ I was seeing the doctor.
| A．when | B．why | C．what | D．that |
I feel uncomfortable each time I remember the situation _______Mary didn’t agre
e with me _________ the matter.
| A．that; at | B．in which; over | C．which; about | D．where; to |
The situation is more _________ than ever. I’m _______about what to do next.
| A．puzzled; puzzled | B．puzzling; puzzling |
| C．puzzling; puzzled | D．puzzled; puzzling |
. – Can you tell me ___________?
– An engineer from Jinan Iron and Steel Plants.
| A．what your friend is | B．who your friend is |
| C．what is your friend | D．who is your friend |
15. It is requested that each of the teachers invited ______ a performance at the. party.
| A．should give | B．will give | C．has to give | D．must give |