88.You'll miss the train ____ you hurry up.　　　　

A. unless　　　　　 B. as　　　　　　 C. if　　　　　　　 D. until

87. Write clearly ____ your teacher can understand .you correctly.

A. since　　　　 　 B. for　　　　　 C. because　　　　　　 　　 D. so that

86.___we have satisfied you, you have no grounds of complaint.

A. So　　　　　　　 B. Since that　　 C. Now that　　 　　　 D. By now.

85. Although, it's raining, ____are still working in the fields.

A. they　　　 　　　　　 B. but they　　　 C. and they　　　　　　　 D. so they

84. Why these things happened was ____ the driver had been careless.

A. because of　　 　 B. owing to　　　　　　 C. due to　　　 　 D. that

83. They had camped once before, ____ they knew what to take.

A. because　　　 　 B. now　　　　　 C. so　　　　　 　 D. since

82. ____ you are dismissed.

A. Neither you go nor 　 　　　　　　B. Either you go or　 　

C. Whether you go or　　　　　　　 D. Both you go and

81.He is very old,____ he still works very hard.　 　

A. but　　　　 　　　　B.if　　　　　　 C.when　　　　　　 D.as

80. ---You are so lucky. 　　　　　　　 　

---What do you mean ____that?

A. for　　　　　　　 　　 B. in　　　　　 C. of　　　　　　　　 　　 D. by

79. I know nothing about the young lady ___she is from Beijing.

A. except　 　　　　　 　　B. except for　 　　　 C. except that　 　　 D. besides