When changing lanes， a driver should use his turning ______ to let other drivers know ______ lane he is entering.
A.sign； what B.mark； what
C.symbol； which D.signal； which
Many writers are drawn to building a world, _____ readers are somewhat familiar with but also feel distant from our normal lives.
A.it B.one C.that D.the one
The news said that the death toll in the tsunami in Indonesia had climbed over 400, with a lot more reported _________.
A.to miss B.to have been missing C.having missed D.missing
—I can’t think why he ______ so angry. I meant no offence.
—It’s typical of him to be sensitive.
A.must have been B.should have been
C.might have been D.can have been
It was announced that only after the candidates’ papers were collected _____to leave the room.
A. had they been permitted B. would they be permitted
C. that they would be permitted D. that they had been permitted
Auto companies are taking a(n) ______ approach toward introducing electric cars until they better understand the market.
A.casual B.enthusiastic C.considerate D.cautious
