第1题:
His sister ______her hometown for three years. She'll return next year.
A. left
B. has left
C. has been away
D. has been away from
14.答案为D 他的姐姐已经离开家乡三年了。她明年将要回来。该句表示到现在为止一直发生的动作,因此要用现在完成式,away表示离开某地时应加from。
第2题:
A had decreased
B will decrease
C has been decreasing
D is decresing
第3题:
Silk( )by Chinese for thousands of years now.
A. has used
B. has been used
C. was used
D. is used
第4题:
第5题:
第6题:
Silk()by Chinese for thousands of years now.
第7题:
He is over fifty, but he looks as if he()only in his thirties.
第8题:
stood
suffered
undergone
tolerated
第9题:
第10题:
which; has leaded
which; has been leading
that; has leaded
that; has been leading
第11题:
seemed
likely
tended
possible
第12题:
第13题:
A.has stood … has already gone
B.has been standing… has already been
C.is standing… has already gone
D.has been standing…has already gone
第14题:
It has been raining ______ last Saturday.
A、on
B、 for
C、till
D、 since
第15题:
During the last few years ,it has been realized that maintenance of programs is more expensive than development, so reading of programs by humans is as important as(73)them.
A.editing
B.writed
C.written
D.writing
第16题:
第17题:
There have been()medicine in the last 50 years.
Agreat advancesin
Ba great advancein
Cgreat advanceon
Da great advanceon
第18题:
He is over fifty, but he looks as though he()only in his thirties.
第19题:
There have been()medicine in the last 50 years.
第20题:
leaves; has gone
left; has been away
leaves; has been away
left; has gone
第21题:
invariably
presumably
increasingly
dominantly
第22题:
第23题:
His father has been dead for six years.
His father died six years ago.
It’s six years since his father had died.
It has been two years since his father’s death.