The thought of going back home was kept him happy while he was working abroad．
| A．that | B．all that | C．all what | D．which |
He teaches in ___ university and is ___expert on politcs.
| A．an, a | B．the, a | C．a. an | D．a. the |
Wang Ping hesitated for ___ before he ___ to the question.
| A．sometime, replied | B．some time, replied | C．sometimes, answered | D．some time, answered |
--Hello, May I speak to Mr. Wang, please? ----______
| A．Hold the line, please | B．Wait for a minute | C．Here it is | D．Here he is |
They are ___ the same size. You can take ___ half of the bread.
| A．in. either | B．with; either | C．in, both | D．at, none |
The book ___ three yuan, but it only ___ me two yuan.
| A．spends, take | B．costs, spend | C．costs; cost | D．pays; cost |