Mum says we need enough energy to keep______because____ is important.
— The song Where did the time go ______ the old days and the love of family. — Sure. It’s my favorite song.
Bill often spends as much money as he has________ science books.
-- Do you know ____________________ this afternoon?-- I'm not sure, but I'll tell you as soon as she_____________________.
--Mr. Lee__________to a student when I entered the classroom this morning.---He is very patient________ he is young.
After running a 1000-metre race, he was________.