Experiments of this kind ___in both the U．S and Europe well before the Second World War
#100340
A
had conducted
B
have conducted
C
have been conducted
D
had been conducted
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John and I _____ friends for eight years. We first got to know each other at a Christmas party. But we ____ each other a couple of times before that.
#100704
A
had been; have seen
B
have been; have seen
C
had been; had seen
D
have been; had seen
--- _____ the change of the schedule ______?--- Oh, God! I forgot all about it. I’ll do it right now.
#100466
A
Has, been announced
B
Was, announced
C
Has, announced
D
Had, been announced
The girl told me that she ＿＿＿ beaten and she ＿＿＿telephone the police.
#101856
A
was; would
B
has been; will
C
had been; would
D
had been; will
Tom as well as his friends ____ to visit our school soon after they arrive in Changsha.
#103277
A
is coming
B
are coming
C
will have come
D
has come