While these different customs might seem strange to you，remember：     you consider normal probably seems equally strange to others．

A．that              B．what             C．which             D．when

一Why is it       Mr．Smith seldom mentions his childhood?

一Perhaps he suffered a lot in his childhood．

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

He devoted most of his time to his research，believing his hard work would      sooner or    later．

A．put off          B．take off            C．come off         D．pay off

He was puzzled by this phenomenon．He began to try every approach      the best way of  working it out．

A．known finding        B．knowing to find      C．known to find D．knowing finding

Qingdao is among the most important cities in Shandong     its location and economy．

A．in view of    B．in honor of           C．in favor of              D．in case of

Several causes contribute to the food price hikes，such as the       weather and record oil     paces．

A．abnormal      B．typical                 C．terminal          D．optional

The minute the three days’leave       ，the whole class cheered．

A．declared        B．has been declared     C．had declared    D．was declared

What a great misfortune it is that the earthquake which happened in Wenchuan County，Sichuan Province has      more than 30，000 lives!

A．dismissed      B．claimed                C．occupied          D．submitted

There was a time when parents who wanted an educational present for their children     buy  a typewriter，a globe or a set of books．

A．ought to        B．should                 C．would             D．must

一Shall we walk around the park or go for a bike fide?

一        ．They are both good activities．

A．Yes，I like them very much              B．It makes no difference to me

C．That’s all fight                             D．I’d prefer a bike ride