---Mr. Wang, I have trouble ______the test.---Remember ________ it three times at least.to understand; readingB. understanding; ReadingC. understanding; to readD. to understand; to understand
—What _______ the number of the students in your school? —About two thousand. A number of them _______ from the countryside.
—I can hardly believe my eyes. Is that you, Lucy? —Yes. It has been almost 20 years ______ we were together.
—It’s smoggy these days. That’s terrible! —Yes, I hope to plant trees. ______ trees, ______air pollution.
—Do you like seeing a movie on your mobile phone? — No. I ______do that because it makes me uncomfortable.
If you want to get more information about English learning, please visit our _______.www.yyxx.cm.