It is the teacher ____ taught me when I was a child ____ I am going to visit.

A. that; which　　　 B. who; which 　　 C. who; that　　　 D. whom; that

When I was in London for the first time, I had no idea where I could ______ my RMB for pounds.

A. change 　　　 B. exchange 　　　　 C. charge 　　　 D. chance

You must be ________ that what you are doing is quite illegal.

　 A. aware　　　 B. confident　　　 C. awful　　　 D. magnificent

She suggested to Tom that he ______ the problem another way, and his expression suggested that he______.

　 A. solve/should　　　 B. solves/should　　　 C. solved/would　　　　 　 D. solve/ would

Broadly speaking，I would agree with Shirley，though not________.

A．widely 　　　　　B．entirely　　　 C．extremely 　　 D．eventually

--Do you know when the Chinese custom_________ from?

--It's hard to say. But its characteristics__________ the Tang Period.

A. began ; prove　　　　　　　 B. started ; show

C. is ; appear　　　　　　　　　 D. dates ; suggest

He came to my class every week, but his attitude ______ that he was not really interested in it.

　 A. described　　 　B. expressed 　　　　 C. suggested　 　　D. explained

They stayed with me three weeks, _____ they drank all the wine I had.

A. which 　　　　B. which time 　　　C. during which time　 　 D. during which

______ all the international effort being made, we have to have faith that there will be solutions _______ time to stop epidemics and poverty.

A. As; in　　 　　　 B. With; on　 　 C. As; on　　 　　 D. With; in

A team has begun a journey to the North Pole to discover ______ quickly the sea-ice is melting.

A. how 　　　 　　　 B. what 　　　　　 C. that 　 　　　　 D. why