So far nothing _____ Tom. I want to know the reason _______ he hasn’t written to me.
| A．heard from; why | B．has been heard from; why |
| C．was heard from; that | D．has heard from; that |
The flight to Antarctica was delayed by the lack _________information about the weather conditions there.
| A．in | B．from | C．for | D．of |
His casual clothes were not______for such a formal occasion.
| A．ready | B．accurate | C．appropriate | D．special |
The young man________the car, hoping to get home before the time for dinner.
| A．sped up | B．turned up | C．picked up | D．gave up |
In dealing with public relations, we should make every effort to prevent the_____in personality.
| A．contact | B．conflict | C．connection | D．contrast |
In front of our house ____ we used to swim.
| A．a river lies that | B．does a river lie where |
| C．lies a river which | D．lies a river where |