—Do you know Neil Armstrong?—Yes. He is the first man on the moon.A. to walk B. walks C. walked
Mary told me to wait for her at the school gate, but she didn’t appear at all.
This is the best present that I have received.
She is sad. Why don’t you cheer her up?
--- I don’t know when ______ tomorrow. --- I will call you as soon as he ______.
The number of foreign students in China ______ increased.