單項(xiàng)選擇題The medicine （） cool, clean and dry.

A.must   keep
B.must   be   kept
C.must   be   keep
D.must   be   in


您可能感興趣的試卷

你可能感興趣的試題

1.單項(xiàng)選擇題“Must we start the experiment now?” “No, you （）.”

A.won’t
B.needn’t
C.can’t
D.may  not

2.單項(xiàng)選擇題He keeps（）at himself in the mirror.

A.to look 
B.looking
C.look 
D.looked

3.單項(xiàng)選擇題Don't disturb me. I（）letters all morning and have written ten so far.

A.write
B.have written
C.was writing 
D.have been writing

4.單項(xiàng)選擇題I’ve come to ask him for the book. That’s why I （） wait until he comes back.

A.need
B.should
C.oughtto
D.have   to

5.單項(xiàng)選擇題Mr. Baker, a dozen students want to see you. （） they wait here or outside?

A.Should
B.Will
C.Shall
D.Are