87.　　 87.　　 Geologists cannot accurately predict ______ the live volcano will erupt again.

a. when　　 b. which　　 c. is that　　 d. and when

86.　　 86.　　 The book is for the students ______ native language is not Chinese to study in a Chinese college or university.

a. their　　 b. that　　 c. whose　　 d. of whom

85.　　 85.　　 He had a large collection of books, ______ are written in foreign languages.

a. many　　 b. many ones of which　　 c. many of which　　 d. many in which

84.　　 84.　　 I had hardly reached the airport ______ he started for his destination.

a. then　　 b. when　　 c. the moment　　 d. than

83.　　 83.　　 You should get the license in two weeks; ______, you’ll have to pay a fine.

a. yet　　 b. still　　 c. or　　 d. consequently

82.　　 82.　　 The story of his upbringing is shocking ______.

a. to all that read it　　 b. to all who reads it　　 c. to all which read it　　 d. to all who read it

81.　　 81.　　 They will be praised or blamed ______ their work is good or bad.

a. according as　　 b. as for　　 c. in as much as　　 d. as regards

80.　　 80.　　 Skiing is a sport ______ goes back 4,000 years.

a. and its　　 b. whose history　　 c. its history　　 d. and which

79.　　 79.　　 Satellite photographs can provide information on ______ rain are falling.

a. which where and how much　　 b. where and how

c. where and how　　　　　　　 d. where and how much

78.　　 78.　　 The old man is no coward; ______ he is a man of high spirits.

a. rather than　　 b. on the contrary　　 c. on the other hand　　 d. at the same time