____today,he would get there by Friday
A. Were he to leave
B. If he had left
C. Did he to leave
D. Had he left
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Idid not see your sister at the meeting. If she ____, she would have met mybrother
A. has come
B. did come
C. come
D. had come
He____busy yesterday, or he ___you with your experiment.
A. was, had helped
B. was, would havehelped
C. had been, would havehelped
D. were, would have helped
If it ____for the snow, we____ the mountainyesterday
A. were not, could have climb
B. were not,could climb
C. had not been, could haveclimbed
D. hadn’t been, could climb
Withoutelectricity, human life ____quite difficult today
A. is
B. will be
C. would have been
D. would be
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