Many developed countries have agreed to help the less developed ones but it remains ________ whether they will take action or not.
| A．to see | B．to be seen | C．seeing | D．seen |
He knows so much about the story. He must have read the book, _______?
| A．mustn’t he | B．doesn’t he | C．hasn’t he | D．didn’t he |
He knew the problem was serious and promised to look into it _____ he reached office.
| A．at that moment | B．for that moment | C．immediately | D．soon |
Greatly moved by what she did,_________.
| A．tears came to my eyes |
| B．my heart was full of gratefulness |
| C．my eyes were filled with tears |
| D．I could hardly hold back my tears |
—How wise of you to come round, but why?
—________that all is right.
| A．See | B．To see | C．Seeing | D．For seeing |
If better use is _____ your spare time, you’ll make greater progress in that.
| A．spent | B．taken | C．made of | D．used of |