I can’t stay ______ long. A: to B: B．at C: C．for

Mike is better than Peter _______swimming． A.for B.at C.on D.in

—What is China famous ________? —The Great Wall． A: A．for B: B．at C: C．on D: D．in

Much ______ my regret, I am unable to accept your kind invitation. A: to B: B．at C: C．with D: D．by

At first I really didn’t care whether he came or not． A: A．At times B: B．At the beginning C: C．At last

What time did the man leave Dr．Baker’s office A: A．At 9:30. B: B．At 9:35． C: C．At 9:30 or 9:35.

Many young kids are ___________ becoming obese because they eat too much junk food. A: A.in danger B: B.at risk of C: C.as a result of D: D.in fear

What is NOT missing in Mary’s briefcase Where was Mary the whole morning A: At the police station. B: B．At a meeting. C: In her client’s office. D: D．In the restaurant.

按主板规格可分为( )。 A．Slot1主板、Socket7主板 B．AT主板、Baby-AT主板、ATX主板 C．SCSI主板、EDO主板、AGP主板 D．TX主板、LX主板、BX主板

③Which of the following can be defined as a smart worker? A: a. In order to impress his boss, James refuses to ask for help and works lateinto night to get the job done. B: b.At he end of each day, Alred spends 10-l5 minutes planing the next day. C: c.Jeff finds it hard to focus on tasks and has to work overtime to get his work done.