Guess what! I came across my primary school science teacher this morning, ______ I have lost touch for almost 20 years.
| A．of which | B．when | C．with whom | D．who |
This is the second time Nie Haisheng ________ to be the astronaut who took the glorious task.
| A．has been chosen | B．had been chosen | C．was chosen | D．chose |
Fei Junlong’s wife and his child ________ to see him off before the launch, but they failed because of the rules.
| A．hope | B．had hoped | C．have hoped | D．were hope |
— Is this Mr. White’s office, Mary?
— Yes, _____.
| A．that’s all right | B．it doesn’t matter |
| C．after you | D．please yourself |
Only _____ as an interpreter _____ how important it was to practise speaking English.
| A．when did I work…I realized |
| B．when did I work…did I realize |
| C．when I work…did I realize |
| D．when I worked…did I realize |
Jack, ______ to be here at 8 o’clock.
| A．is sure | B．is sure that | C．will be sure | D．be sure |