I wasn’t aware of this before, but recent research _____ that eating too much fat can contribute to heart disease.
#102842
A
has shown
B
will show
C
was showing
D
showed
推荐题目
Villagers of the danger soon after the big earthquake in Japan，or more people would have lost their lives in the tsunami．
#102538
A
were warned
B
had been warned
C
have been warned
D
are warned
— Can you come to my birthday party tonight? — I’d love to, but I______ on a patient at 6 o’clock.
#100074
A
will operate
B
am operating
C
will be operating
D
will have operated
A new bridge ______ across the river and it is expected to open next year.
#103448
A
was building
B
is built
C
will build
D
is being built
—How long ____ you ____ in Singapore?—For just the weekend． I’ll be back next Monday morning.
#100619
A
have; stayed
B
are; staying
C
did; stay
D
do; stay
—Why are you late today．Mary?—I’m sorry，Mr Li．My bike ________ on the way．
#102381
A
broke down
B
has broken down
C
breaks down
D
had broken down