—I phoned you at 9 this morning but got no answer.
—I am sorry. I _____ the bell. I _____ in the garden.
| A．didn’t have heard, must have been | B．didn’t have heard, must be |
| C．didn’t hear, must have been | D．didn’t hear, must be |
matters most is they can finish the task on time.
| A．That; if | B．What; what |
| C．That; that . | D．What; whether |
— Would you like to spend the vacation in Paris with me?
— I' d like to you pay for me.
| A．unless | B．because | C．Provided | D．as |
Our neighbors gave a baby bird yesterday that hurt when it fell from its nest.
| A．us； it | B．us ；itself |
| C．ourselves；itself | D．ourselves；it |
Many young people in the West are expected to leave could be life’s most important decision ---marriage ----almost entirely up to luck.
| A．as | B．that | C． which | D．what |
The crossing was blocked by many trucks and buses, made it impossible for us to go to work on time.
| A．where | B．what | C．whick | D．that |