In his address at two-day APEC Economic Leaders Meeting, President Hu _______ the APEC to reform itself to raise the efficiency of cooperation so as to keep advancing _______changing times.
| A．called in; for | B．called on; with |
| C．called for; at | D．called at; through |
---Have you heard that Tom, as well as his parents, ________ moved to Beijing ?
---Really ? No _________ I haven’t seen him for a long time.
| A．have; doubt | B．have; reason | C．has; choice | D．has; wonder |
_______ Tom, we wouldn’t have been late for the last bus.
| A．If we didn’t wait for | B．If we haven’t waited for |
| C．we hadn’t waited for | D．Had we not waited for |
________ that I was puzzled.
| A．So difficult a question did he ask me | B．Such difficult a question did he ask me |
| C．Such a difficult question he asked me | D．He asked me a so difficult question |
– Are you cleaning my room?
– I can’t help _____. I can’t bear seeing people’s room in a mess!
| A．it | B．this | C．anything | D．so |
Social networking is an important factor _______ business success.
| A．devoting to | B．appealing to |
| C．attaching to | D．leading to |