We were about to start out________ our friends called us up from Shanghai.
| A．when | B．while | C．until | D．before |
The determined mother has devoted all she has to ________ her son o
ut of trouble.
| A．helping | B．help | C．have helped | D．having helped |
— Jane Goodall is a great woman.
— ________. She has done so much to protect chimps everywhere.
| A．Good idea | B．Congratulations |
| C．I think so | D．The same to you |
—I think you should phone Jenny and say sorry to her．
—．It was her fault.
| A．No way | B．Not impossible | C．No chance | D．Not at all |
Could I speak tois in charge of International Sales please?
| A．who | B．what | C．whoever | D．whateve |
____ he does his work, I don’t mind what time he arrives at the office.
| A．So far as | B．So long as | C．As far as | D．So as |