The bike requires _________. She requires the work _________ in ten minutes.
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.
__ Any suggestions? __ You’d better ______________ the last sentence as it is rather misleading.