thewholeprocessforthestudiesof

_________ the whole process for the studies of cancer took more than a year, the technology is moving so fast that it will soon take just weeks．

A．How

B．Because

C．If

D．While

登录免费查看答案和解析

相关试题

—Did he come back late last night?
—No．It was not yet eight o’clock _____________ he arrived home．

A．before

B．that

C．until

D．when

收藏答案/解析

—You just think of yourself! You kept me wailing for at least three hours．
—I’ m sorry that you _____________ think so．

A．would

B．should

C．could

D．might

收藏答案/解析

Politics meant________________to me for years, for I didn’t care about it at all.

A．something

B．nothing

C．everything

D．anything

收藏答案/解析

A cool rain was falling, _____________ with snow, causing heavy traffic．

A．mixing

B．mixed

C．to mix

D．having mixed

收藏答案/解析

—Did you have a good time in Tai’an last week?
—________________, it was too cold．

A．Not really

B．Oh, great

C．You’re right

D．Yeah, why not

收藏答案/解析