At last the mother had no choice but ___________ her son herself, though she was quite busy.
--- I ______ so busily recently that I ______ no time to help you with your math. --- That’s OK. I can manage it by myself.
--- Oh, dear. I forgot the air tickets. --- You ______ something.
Doing your homework is a sure way to improve your test scores, and this is especially true ____ it comes to classroom tests.
By the time you arrive home, I ____, so please don’t make any noise when you come in.
It’s a bad practice to ____ children much money as a New Year gift.