________ the plan many times, but he still didn't understand．

A．Having told him

B．Having been told him

C．Though he had been told

D．He was told

________ to sunlight for too much time will do harm to our skin．

A．Exposed

B．Having exposed

C．Being exposed

D．After being exposed

I can never forget the day ________ we worked together and the day ________ we spent together．

A．when; which

B．which; when

C．what; that

D．on which; when

His ________ description of his adventure in the forest made us want to have a try ourselves．

A．magic

B．vivid

C．relevant

D．awesome

The design of the modern architecture concentrates on usefulness ________ decoration．

A．rather than

B．more than

C．other than

D．or rather

Great changes have taken place in that school．It is no longer ________ it was 10 years ago, ________ it was so poorly equipped．

A．that; which

B．what; when

C．what; which

D．which; that

The new tax law only affects people on incomes of over 3, 000RMB per month, ________ , the relatively rich people in society．

A．on the contrary

B．on the other hand

C．in other words

D．for on thing

When I ________ in the kitchen, nothing made me feel better than preparing the eggs and serving them just the way the customers wanted．

A．helped out

B．figured out

C．worked out

D．found out

________ the terrible earthquake in Japan not happened, people's awareness ________ drawn to the risk of being exposed to nuclear radiation．

A．If; wouldn't have been

B．If; wouldn't have

C．Had; wouldn't have been

D．Had; wouldn't have

I ________ toward the door to go outside when suddenly Jim opened it unexpectedly．

A．walked

B．was walking

C．had walked

D．had been walking