Suspecting the traveler of carrying drugs, the Customs official stopped him and ______ suitcase, but found nothing at all．
| A．looked up | B．went through | C．searched for | D．referred to |
I found _____ impossible to keep silent about what had happened to me.
| A．it | B．that | C．this | D．these |
It came as _____ great achievement for China’s space program when Liu Yang went to ______ space as the first Chinese female astronaut.
| A．the; a | B．a; the | C．a; \ | D．the; \ |
--- Can you help me search for some information from your computer?
--- _______, but I must finish my homework first.
| A．I’d love to | B．I’m afraid not | C．Certainly not | D．Never mind |
The box is so heavy that he cannot lift it. _______, he is only a ten-year-old child.
| A．In all | B．Above all | C．At all | D．After all |
--- Is this book familiar ______ you? --- Sure. I am also familiar ______ its writer.
| A．to; to | B．with; with | C．to; with | D．with; to |