These are my parents. They ______ workers. A. am B. are C. is
—Do you know sound travels very fast? 一Yes. But light travels _________ sound.
There are millions of websites on the Internet and there _________ a lot of useful ________ on the websites.
-Have you seen the funny movie Let the Bullet Fly? 一Yes,it made me ___________ many times.
—Which of the two T-shirts will you take?—I’ll take . One is for my brother and the other is for myself.
一Frank,you look worried.Anything wrong?一Well,I______a test and I”m waiting for the result.