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5.
5.
7.
I am delighted
A. that
We will begin
A. from
Tree leaves
8.
A. should used
C. should be used
B. impossibility
A. silverware
10. Is the rubbish
B. to
you passed your exam.
B. with
a brief discussion
A. collect
11. In 1876, the telephone
A. was
12. It's important
to wrap things.
is a wonderful natural fertilizer.
B. Plastic
A. Compost
9. Glass is broken up, melted and made into new
B. hardware
every day?
C. impossibilities D. impossibly
D. so that
B. collecting
B. is
C. in order to
of the problems.
C. at
B. should been used
D. should be use
C. Envelope
C. ironware
Joic
wildlife in the area.
D. on
D. Garbage
D. glassware
C. collected
first introduced by Bell and Watson.
C. has been
D. be collected
D. had been