_________ the flight to New York will be delayed is _________ I’m especially worried about.
| A．If; what | B．Whether; that | C．When; that | D．Whether; what |
Mother went shopping; ______, I cleaned the house.
| A．while | B．when | C．and when | D．meanwhile |
I haven t much ________ in his honesty.
| A．belief | B．believers | C．beliefs | D．Believed |
High prices for corn and wheat will encourage ____ 。
| A．to farm | B．farming | C．farmer | D．lo farming |
The doctor _________ him to give up smoking but he would not listen.
| A．forced | B．persuaded | C．suggested | D．advised |
I know that our geologists think highly of his researches in the ______
| A．land | B．field | C．ground | D．Place |