So many uses have been discovered for this wood ____ the supply of white pine is becoming smaller and smaller.
| A．then | B．what | C．that | D．which |
Although it had been _____ struggle for him to finish ______ experiment, he enjoyed the result with_______ satisfaction.
| A．the; an; / | B．a; the ; / | C．a; an; a | D．/; the; a |
----Do you mind choosing Peter to be the new chairman? ----___________.
| A．Of course. He is the best choice. |
| B．Certainly not. We can’t find a better one. |
| C．Yes, I do. He is the most suitable person |
| D．No, I don’t. I don’t think he is the suitable person. |
---I am sure you met Alice at the party last week.
---I don’t remember her. What ______ she ______?
| A．was; wearing | B．had; worn | C．did; wear | D．would; wear |
I don’t think he has completed the task , ____________?
| A．does he | B．do I | C．hasn’t he | D．has he |
The famous actor keeps fit by______ for an hour every morning.
| A．turning out | B．carrying out | C．working out | D．making out |