She said she had some trouble ___________ her homework.
—______ a week do you use your computer?—Twice.
—Can I buy a film ticket?—Oh, sorry, we ___________.
—He’s stopped from smoking , ________he?—Yes, he ________ stopped smoking.
—________ hard work it is!—Yes, but he seems _____ to do it.
I like Chinese _______ my brother likes maths.