1-16why hasn't he come?( )on time,we will have to put off th
1-16why hasn't he come?( )on time,we will have to put off the trip.
1.if he doesn't come
2.if he won't come
3.if he shouldn't come
4.if he hadn't come
1.if he doesn't come
2.if he won't come
3.if he shouldn't come
4.if he hadn't come
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