My grandma feels scared at the thought of the terrible disaster. But I always tell her that she _____ enjoy a long life after surviving it. [ ]

Lin Lin often practices English _______chatting with her American friend.

re one is _______ the English-speakingenvironment, the better he or she will learn the language

What were you doing at nine o’clock yesterday evening—I homework at home.

We all know that how wonderful you are. It is not necessary for you to __________.