They were pretty poor but most of their friends were even .
A.richer | B.badly off | C.worse off | D.well off |
We couldn’t understand: what could ______ his sudden change of mind?
A.enjoy | B.explain | C.accept | D.mean |
I didn’t mean to break your vase—it was just ______.
A.an accident | B.an advantage | C.an agreement | D.an experience |
He was breathing ______ after the relay race.
A.heavily | B.slowly | C.carefully | D.weakly |
People are concerned about the quality of the air they ______.
A.hear | B.eat | C.drink | D.breathe |
She walked home by herself, ______ she knew that it was dangerous.
A.if | B.so that | C.although | D.because |