I know he hasn’t finished his homework, but ______, he has done his best. 

Helen always helps her mother even though going to school ____ most of her day.

 —Will you read me a story，Mummy?—OK.You ________ have one if you go to bed as soon as possible.(2011·陕西)

－What do you think of the speech given by the president?－I like_________of what he said.

He had once been           with drug dealings, but evidence found laterproved his innocence.