–I have problems in solving the task. What should I do?
--You can turn to your teacher.
A. tell the teacher to do it B. think it over
C. ask the teacher for help D. give it up
–Excuse me， could I borrow your computer?
--______， but please give it back by Saturday.
A. I’m sorry B. Of course
C. Certainly not D. No， thanks
–I’m new here.
--Don’t worry. I’ll do what I can ______ you.
A. to help B. help
C. helping D. helped
–Could you tell me ______ ? I must find him.
--Sorry. I have no idea. But he was here just now.
A. where has Harry gone B. where Harry was
C. where can I find Harry D. where Harry is
The winter holiday is coming， so the twins as well as Alex ______ to Sanya for vacation.
A. go B. goes
C. are going D. is going
The city is a greener city now because many trees ______ every year.
A. were planted B. are planted
C. will be planted D. was planted
