I certainly appreciate _____ us about the delay in delivering the materials because we had planned to begin work tomorrow.
| A．him to tell | B．him of telling | C．he told | D．his telling |
Australia is such a splendid country that we’ve decided to stay for _____ two weeks.
| A．another | B．other | C．the other | D．other’s |
_____ a certain doubt among the workers as to whether he could finish the task in a short time．
| A．It was | B．There had | C．There existed | D．It had |
_____ he met with the terrible difficulty did he realize the importance of my advice．
| A．Even though | B．Only before | C．Never until | D．Ever since |
Knowing _____, as a matter of fact, one shouldn’t know is a terrible thing．
| A．whether | B．that | C．what | D．when |
After ______silence of several minutes, he came towards her and said, “I have struggled with my feelings , but without ______success!”
| A．a; the | B．the; a | C．不填; a | D．a; 不填 |