Ⅰ、Choose the best answer.(选择最适合的答案，用A、B、C或D表示填入括号内) (共20分)
( ) 1. We must plant as many trees as possible ______ make our city cleaner.
A. for B. so that C. to D. because
( ) 2. The TV is too noisy. Please tell him______ .
A. not to forget to turn it up
B. not to forget to turn it down
C. to not forget to turn off it
D. to not forget turned it on
( ) 3.How long have you _______ this furniture?
A. lent B .borrowed C.had D.bought
( ) 4. They come _______ Tibet which lies ______ the northwest of China.
A. to, to B. in, from C. from, on D. from, in
( ) 5.The view there are better than ________ here.
A. this B. it C. the ones D. that
( ) 6. it snowed , I got to school early.
A. Although, but B. Because, \
C. Although, \ D. Because, so
( ) 7. -How long _____ the bagpipe?
