语法专练 ：单项选择：1,I’ll give him your message at once ___________

语法专练 ：单项选择：1,I’ll give him your message at once ___________ he comes back from lunch
语法专练 ：
单项选择：
1,\x05I’ll give him your message at once ___________ he comes back from lunch .
A.until B.whether C.while D.when
2,I am not sure if I __________ time this weekend .If I __________ time .I’ll go with you .
A.have ,have B.have ,will have C.will have ,have D.will have ,will have
3,Jim was late for school this morning _________ he missed the bus .
A.though B.because C.while D.if
4,You ‘ll pass the exam ________ you work harder .
A.if B.when C.but D.though
5,David gave me a note while I ___________ in the library .
A.am reading B.was reading C.read D.will read
6,He hasn’t told me if he _________ .I’ll telephone you if he ____________ .
A.will come,comes B.will come ,will come
C.comes,will come D.comes ,comes
7,I didn’t go to buy the dictionary yesterday _________ I had no time .
A.until B.because C.if D.before
8,_________ you eat too much of that meat ,you may fall ill .
A.so B.Though C.If D.When
9,I didn’t go to school yeaterday __________ I was terribly ill .
A.because B.if C.and D.so
10,Kate’s mother’s leg was badly hurt ,________ she had to take care of her .
A.but B.or C.because D.so
11,I was walking along the street __________ I heard a cry from behind .
A.when B.before C.while D.if
12,You’ll be late __________ you don’t get up early tomorrow morning .
A.if B.when C.before D.until
13,Water ________ into ice if the temperature _________ below zero .
A.will turn ,will be B.will ture ,is C.ture ,will be D.tures ,is
14,He asked us _________ we enjoyed our holiday or not .
A.if B.whether C.when D.that
15,— Mike wants to know if _______ a picnic tomorrow .
— Yes,But if it __________ ,we’ll visit the museum instead .
A.you have ,will rain B.you will have ,will rain
C.you will have ,rains D.will you have ,rains

DCBAB
ABCAD
AAD(turns,is)BC