__ we ________ the other road, we might have arrived here in time for the meeting.

Jenny, you can’t go out to play _____ you finish your homework.

The book________all the information you need. ________how to make tea and coffee. [ ]

We can’t ________ the bus before it stops.

Clothing made of man-made fibers has certainadvantages over ______ made of natural fibers like cotton，wool or silk