After walking on the zigzag path to the mountain top for a few hours, the tourists gathered under trees_____ shade and______ down to have a rest.
It rained heavily,____ the basketball match had to be put off.
Does John know any other foreign language ___French?
You must work hard,____ you will not learn English well.
____production up by 60%, the company has had another excellent year.
The book is not easy.____ it's rather difficult.