— Can I go to the museum this Sunday?— No. It is ______ only from Monday to Friday.
If I am free, I’d like to spend _________ holiday in the countryside.
Mrs. Wang always asks us to ________ conversations in the English classes.
Would you please drive more ________, David? The train is leaving soon.
After a serious illness, he finally _______ how important his health is.
It is our ________ to look after our parents when they get old.