---I don’t know how to write the article assigned by our professor on international trade.
--You should have ______ your attention on the lecture that ______ how international situation affects exports and imports across the globe.
| A．put; concentrate on | B．paid; talked about |
| C．fixed; dealt on | D．focused; focused on |
A notice was placed by the river bank warning people to__________ the thin ice.
| A．keep up |
| B．keep back |
| C．keep away |
| D．keep off |
The place _______interested me most was the children's palace.
| A．which |
| B．where |
| C．what |
| D．in which |
On receiving a phone call from his wife __________ she had a fall, Mr. Gordon immediately rushed home from office.
| A．says |
| B．said |
| C．saying |
| D．to say |
The days are gone __________ physical strength was all you needed to make a living.
【选项 】
| A．when |
| B．that |
| C．where |
| D．which |
The cars in the auto show vary __________ price from $ 100,000 __________ $ 2 million, but they have attracted many customers.
| A．in； to |
| B．with； and |
| C．of； with |
| D．from； to |