Most online classes let students learn _____ their own pace.
I usually do my homework after dinner until 10 pm, ______ is my bedtime.
We are told that more new teaching buildings ________ next year.
It is no use _______ about the coming exam.A. worry B worrying C worried D to worry
I don’t feel like ______ anything now, for I am so tired.
It was very important for us ________ happy every day.