He ___________all his pockets but failed to find his passport.
A.searched | B.searched for | C.in searched of | D.looked for |
It’s the first time ______ he has helped us.
A.that | B.before | C.when | D.who |
Here are two pairs of shoes, ______ you may choose.
A.both of them | B.either of them | C.any of which | D.either of which |
He plays well or badly according to his mood (心情), so he’s a very _________ player.
A.modest | B.easygoing | C.temperamental | D.calm |
No one knows exactly ______ this important discovery was made.
A.that | B.that how | C.what | D.when |
The weather turned out to be very good, _______ was more than we could expect.
A.what | B.which | C.that | D.it |