90. Never before so happy. A. has he been B, he has been C. was he D. he was 91. . so many people been out of work as today

90. Never before so happy.
A. has he been B, he has been C. was he D. he was
91. . so many people been out of work as today.
A. In the past, there never haveB. Never before have
C. More than ever beforeD. Formerly, there never were
92. . It was only then how much I owed to her.
A. had I realize B. that I realized C. did I realize D. I did realize
93. . Only by booking in advance stay ion the room you like.
A. can you B. you can C. you will D. you
94. . As soon as he arrived at the airport, he called home.
A. He arrived at the airport sooner than he had expected.
B. No sooner had he arrived at the airport than he called home.
C. Calling home, he said that he had arrived at the airport.
D. He arrived at the airport and called me to take him home.
95. . In no time know the result of the recognition.
A. the public will B. will the public C. the public D. does the public
96. . in medicine relieve distress but they also prevent and cure illness.
A. Do computers B. computers
C. Computers not only D. Not only do computers
97. . reptiles hunt at temperatures of 120C or below.
A. Seldom do B. Do seldom C. Do D. Seldom
98. . learn during their sleep by listening to tape records.
A. People rarely can B. Can people rarely
C. Rarely can people D. Can rarely people
99. . continental crust older than 200 million years.
A. It is nowhere the B. Nowhere is the
C. Is nowhere the D. Is the nowhere
100. . We didn’t have them repaired. .
A. Nor we know who did it B. Nor we had idea who did it
C. Nor did we know who did it D. We do not know who did it, either