Experiments of this kind _______in both the U.S. and Europe well before the Second World War started.
#100664
A
have conducted
B
have been conducted
C
had conducted
D
had been conducted
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The past two years ________ a sharp rise in oil price, which adds to the burden of auto transportation industry.
#101865
A
witnessed
B
has witnessed
C
is witnessing
D
witnesses
At this time next week we ___________ a football match against Class 9.
#102052
A
are going to play
B
will be playing
C
will play
D
are to play
— Hi! John, would you like to play football with us? — Oh，I can’t. I ___ my lesson all the morning and still need half an hour.
#102680
A
am reviewing
B
have been reviewing
C
have reviewed
D
reviewed
The living room is clean and tidy, with a dining table already for a meal to be cooked.
#102203
A
laid
B
laying
C
to lay
D
being laid
------It was really very kind of you to give me a life home. -------Oh, don’t mention it. I_____ past your house anyway.
#102912
A
was coming
B
will come
C
had come
D
have come