It was until dark ___ he found ___ he thought was the correct way to solve the problem.
| A．that; what | B．that; that | C．when; what | D．when; that |
The girl arranged to have piano lessons at the training centre with her sister______ she would stay for an hour.
| A．where | B．who | C．which | D．what |
Bad weather ______ the plan’s delay.
| A．accounts of | B．accounted for | C．make for | D．go for |
He left______ with my secretary that he would call again in the afternoon. He said he would keep ______.
| A．words; his words | B．word; his word |
| C．word; word | D．the word; his words |
——What do you think made Mary so upset?
—— ______ her new MP4.
As she lost B. Lost C. Losing D. Because of losing
______ was known to all of them was ______ Bob had broken his promise that he would give them a raise.
| A．As; which | B．What; that | C．It; that | D．It; which |