.
Can you imagine what problem may ________ when human beings are cloned?
| A．raise | B．cause | C．arise | D．lead |
Medical doctors sometimes can make mistakes _______ will cost ________.
| A．that; patients their lives |
| B．what; patients their lives |
| C．which; patients for their lives |
| D．that; patients with their lives |
The first painting Guilin Heights, which ______ several steep hills with the Li River _______ below, _______ over three meters tall.
| A．focuses on; flowing; measures | B．focuses on; flows; measuring |
| C．focusing on; flowing; measures | D．focusing on; flows; measuring |
________, I think, and the problems could be settled.
| A．If you double your efforts |
| B．So long as you keep up your spirits |
| C．Making greater efforts |
| D．A bit more efforts |
—Where will the peace talk be held?
—It is in the hotel __________ we stayed last time we went to Beijing.
| A．where | B．which | C．that | D．when |
—You shouldn’t have told everybody my secret.
—Wait a minute! I didn’t tell anyone… I swear!
—Oh, ________! You big mouth!
| A．I don’t buy it | B．I mean it |
| C．You don’t forget it | D．You got it |