I became a student ten years . I have been a student 1996. I have studied here about 10 years.
—Here are two rice cards. Which one belongs to ______? —Look. Here is my name. It must be ____. The other one is yours.
—Have you ever been to New York before? —No. This is my first ______.
—Attention, please. The plane has to be put ______ because of the heavy fog. —Oh, bad luck! We have to wait now.
Could you tell me ______raise money? A. I should how B.how I should C.how should I
We should make contributions ______ our environment. A. to protecting B. to protectC. protecting