Helen caught a cold the day before yesterday. But she’s ______ today.
We think that _______ more vegetables _______ good for us.
Old Henry _________ take his dog for a walk after supper. But these days he is too weak to do that.
There are about more than five ___________ "left-behind" students (留守学生) in China.
He doesn’t know _________ English because he has studied it for only ________ weeks
She likes musicians __________ write their own lyrics.