I don’t know __________ or not the work will be completed on time .
| A．whether | B．if | C．which | D．how |
His father got very __________ when he made a mistake again.
| A．annoying |
| B．being annoyed |
| C．be annoying |
| D．annoyed |
The young teacher says this is __________ for the beginners.
| A．difficult too a book |
| B．too a difficult book |
| C．too difficult book |
| D．too difficult a book |
In the __________ of proof, the police could not take action against the man.
| A．lack |
| B．shortage |
| C．absence |
| D．failure |
—All the lights have gone out in the office building.
—Yes, they have __________ electricity.
| A．cut off |
| B．cut up |
| C．cut in |
| D．cut down |
You should try to __________ new circumstances as quickly as you can.
| A．adapt for |
| B．adjust at |
| C．adopt to |
| D．adapt to |