30 % of the young trees, attacked by diseases, ________pine trees.
#103690
A
is
B
are
C
was
D
has been
推荐题目
.People in developed countries are supposed ______ more healthy food before than what they have today.
#101690
A
to be had
B
to have
C
had
D
to have had
—why, James, you look so tired! ---Well, I _____the house and I must finish the work tomorrow.
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A
was painting
B
will be painting
C
have painted
D
have been painting
Looking back on the three - year life in the mountain village, Thomas it as a milestone in his personal development
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A
values
B
confirms
C
declares
D
assumes
—Why didn’t you come to the cinema with us last Saturday? —Oh，sorry．But I the film．
#101875
A
see
B
saw
C
have seen
D
had seen
Scientists say they have found a way to produce the human body’s own cancer-killing cells through gene treatment, ______ new hope to cancer sufferers.
#104708
A
offering
B
showing
C
taking
D
making