Modal Auxiliar practice

1.       How ______ you have left the bathroom in such a mess ?
		(A)	couldn't
		(B)	might
		(C)	could
		(D)	will
2.		Mat ______ be lazy but he is certainly not stupid.
		(A)	needn't
		(B)	mustn't
		(C)	should
		(D)	may
3.		I ______ speak Swedish, Dutch and Japanese.
		(A)	can
		(B)	may
		(C)	should
		(D)	shouldn't
4.		I think we are lost. The man ______ have given us the wrong directions
		(A)	might
		(B)	should
		(C)	would
		(D)	will
5.		You ______ be serious about swimming outdoors in winter.
		(A)	would
		(B)	can't
		(C)	could
		(D)	might
6.		Plants ______ have sunlight in order to make food.
		(A)	can
		(B)	may
		(C)	must
		(D)	will
7.		Since our bags are identical you ______ have taken mine by mistake.
		(A)	can
		(B)	will
		(C)	shall
		(D)	could
8.		Parents ______ take care of their children.
		(A)	may
		(B)	ought to
		(C)	mustn't
		(D)	shouldn't
9.		______ you excuse me for a moment ?
		(A)	Would
		(B)	Should
		(C)	Must
		(D)	Needn't
10.		She ______ stay up late if she takes a nap now.
		(A)	mustn't
		(B)	shouldn't
		(C)	can
		(D)	used to
11.		It's late. It's time ______ home.
		(A)	we go
		(B)	we must go
		(C)	we should go
		(D)	we went