The school has developed an online system________ students can choose their own teachers.
We’d better give out the books to _____ hasn’t got one in our class.
– You are always thinking of yourself! You kept me waiting for two hours. -- I am sorry that you _____think so.
-----What about having a rest? ----- __________________
The doctor recommended he ________a few more days in hospital.
——What did she have to say? ——Oh, nothing________. She only wanted me to give her a hand.