His tired face suggested that he ________ really tired after the long walk.
| A．had been | B．should be | C．be | D．was |
Health problems are closely connected with bad eating habits and a _________ of exercise.
| A．lack | B．limit | C．need | D．demand |
She was chosen to be the first secretary of the state government and has regular and immediate _________ to the president.
| A．control | B．opportunity | C．access | D．effect |
Washington, a state in the United States, was named _________ one of the greatest American presidents.
| A．in honour of | B．instead of |
| C．in favour of | D．by means of |
It is outer space might provide us with new energy sources.
| A．where | B．which | C．what | D．that |
If I enough money, I a DV before traveling.
| A．had ; would buy |
| B．had ; had bought |
| C．had had ; would have bought |
| D．would have ; would have bought |