I must be off now , _______ the train will start in ten minutes .
A. while
B. so
C. for
D. but
查看答案
There is no class tomorrow ______ you needn't get up early .
A. since
B. so
C. for
D. but
I heard some noise outside , ______ I went out of the room to see what happened .
A. but
B. so
C. for
D. since
I parked the car in front of the building ______ the car-park was full .
A. because
B. so that
C. unless
D. even if
There were busy and crowed people in the market at weekend ,_______it was snowy and cpld.
A. if
B. since
C. unless
D. thought