问题描述：
选择填空
4.This house looks old ,but actually it ___ just five years ago .
A.is built B.was built C.has been built D.were built
5.No people __ to cut down trees when they are not big enough.
A.allow B.is allowed C.are allowed D.are allowing
6.The woman is seriously ill .She __ to hospital at once.
A.is sent B.must be sent C.will be sent D.may be sent
7.When it rains heavily ,the soil __ easily
A.will wash away B.will be washed away
C.has washed away D.is washing away
9.A new car factory __ in our town and it will be completed by 2005.
A.will be built B.has been built C.was built D.is built
11.By the time you came back ,all the letters __ .
A.have been typed out B.had been typed out
C.was typed out D.were typed out
4.This house looks old ,but actually it ___ just five years ago .
A.is built B.was built C.has been built D.were built
5.No people __ to cut down trees when they are not big enough.
A.allow B.is allowed C.are allowed D.are allowing
6.The woman is seriously ill .She __ to hospital at once.
A.is sent B.must be sent C.will be sent D.may be sent
7.When it rains heavily ,the soil __ easily
A.will wash away B.will be washed away
C.has washed away D.is washing away
9.A new car factory __ in our town and it will be completed by 2005.
A.will be built B.has been built C.was built D.is built
11.By the time you came back ,all the letters __ .
A.have been typed out B.had been typed out
C.was typed out D.were typed out
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