He made a serious mistake, but he took action to change that _________ it got worse.
I usually stay ______ bed ______ Sunday morning.
—Who helped Li Lei with his English? —______, he learnt it by himself.
Not only my classmates but also my teacher ________ watching football games.
Would you like ________ for a walk after supper?
Don’t worry about ________. He can do it well by himself.