His conclusion, ______ on careful research, was acceptable.
#88843
A
to base
B
to be based
C
basing
D
based
推荐题目
.---Have you any letters ______, sir? I’m free this time. ---No, but thank you all the same.
#97028
A
to type
B
to be typed
C
to be typing
D
typed
The church ,___________the 14th century , is still well preserved.
#94432
A
dates back to
B
dating back to
C
that dates back to
D
which dated back to
With some books ________， he went into the bookstore on the way home.
#88510
A
bought
B
buying
C
to buy
D
to be bought
A group of Chinese guests, who are the first ________ from the new agreement on tourism between China and Switzerland, were given a warm welcome in Geneva(日内瓦) last Saturday.
#91184
A
benefited
B
benefiting
C
to be benefited
D
to benefit
China is known ______ greatly in terms of its cultural values over the past few years.
#97699
A
to change
B
having changed
C
changing
D
to have changed