--I hear that Tom's sister is a teacher here.--Yes, the girl is standing under the tree is his sister.A. who B. whom C. whose
Humans will have ______ fresh air in10 years than now.
---____ are you going to keep healthy? ---I’m going to exercise more. A. How B. When C. What
–What about playing tennis this Sunday?-- _____. Anything is OK. A. I like it. B. I don’t mind. C. I can’t stand it.
–What will you do tomorrow?-I’m not sure. I _____ go shopping. A. will B. might C. must
.I will take a trip ____ the afternoon of May 1st. A. in B. at C. On