D.before

89.He whispered to his wife he might wake up the sleeping baby.

A.so that

B.on condition that

C.for fear that

D.so long as

90.I don’t believe he says now.He is a cheat.

A.no matter what

B.everything

C.whatever

D.how

91.that this region was so rich in natural resources.

A.Little he knew

B.Little did he know

C.Little he did know

D.Little he had known

92.,we were not going to make any concessions to his unreasonable demands.

A.What may come

B.Come what may

C.May what come

D.What come

93.Not until I shouted at the top of my voice his head.

A.that he turned

B.did he turn

C.he didn’t turn

D.he had turned

94.,I must do another experiment.

A.Be it ever so late

B.It is ever so late

C.It be ever so late

D.So late it be ever

95.A sneeze cannot be performed voluntarily,be easily suppressed.

A.nor it can

B.nor can it

C.it cannot

D.and cannot it

96.a little more time to think,he might have acted more sensibly.

A.If he took

B.If he has taken

C.Had he taken