Walmart, which is one of the largest American supermarket chains,
I wonder whether the police ______ that lost child or not
A.have found | B.has been found | C.have been found | D.has found |
Jerry, why ______ you leave your things on the floor like this?
A.would | B.need | C.must | D.may |
. When Jack reached the station the train ______ for ten minutes.
A.had gone | B.had set off | C.had been away | D.had left |
After ______ seemed a long time, Mr. Li stood up and broke the silence.
A.what | B.that | C.it | D.which |
Allow others the space to voice their opinions, ______ they are different from yours.
A.as though | B.as if | C.unless | D.even though |