Who’s singing in the next room— It ▲ be Lucy. She has gone to Hong Kong.

We have happiness, ____________ stillwe have trouble sometimes. That’s life.

It was foolish of the student to _______ his notes during the important test, and as a result, he got punished.

“What’s this in English ” ——“_________”

Do you still remember the day when we went to the Great Wall?— I can’t remember it well, but ________ it have been sometime last year?[ ]