—When did you come back?—An hour ago. You the computer games.
#103109
A
have played
B
were playing
C
played
D
had played
推荐题目
A vast area north of the Yangtze River ______by the first heavy SNOW of the new year，causing difficulties to the post-festival road transport.
#102259
A
were affected
B
was affected
C
had affected
D
has affected
Measures have been taken to prevent the accidents, but much _____ for more improvement.
#101771
A
remains to be done
B
is remained to do
C
remains to do
D
is remaining to be done
We consider it necessary that a plan _______ before doing the work.
#101423
A
is made
B
will be made
C
should be made
D
made
—Good morning，Doctor Brown’s office.—Hello, this is Tom Smith. Could you please tell Doctor Brown I ? My car start.
#104869
A
was delayed, doesn’t
B
will be delayed, won’t
C
am delayed, didn’t
D
would delay, mustn’t
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