We are watching TV ______ we caught sight of a friend of ours .
Mary would rather_______ inside_______ while I would rather she________ to go shopping with her friends.
He advised farmers to choose the best seed-heads ,__________ that had the best color .
Great changes have taken place in that factory. It is no longer _________ it was 20 years ago,_____ it was so poorly equipped.
When first __________to the market ,these products enjoyed great success .
__ It is so late. Our son __________ be back . __ Don’t worry . I dare say he ________ have some extra work to do.