—I have brought you the book you need.—Oh, good! I        afraid that you        .
#100661
A
was; had forgotten
B
am; have forgotten
C
was; will forget
D
am; forgot
The three of us ______ around Europe for about a month last summer.
#100663
A
traveled
B
have traveled
C
had traveled
D
travel
 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
They _____ on the program for almost one week before I joined them, and now, we ____on it as no good results have come out so far.
#100667
A
had been working; are still working
B
had worked; were still working
C
have been working; have worked
D
have worked; are still working
John had to have his car repaired in a garage because it ______ seriously.
#100668
A
damaged
B
was being damaged
C
had damaged
D
had been damaged
—Who do you guess I am?—Sorry, your name       my mind.
#100675
A
slipped
B
has slipped
C
was slipped
D
slips
The door   .Something has gone wrong with it.
#100677
A
won’t lock
B
won’t be locked
C
can’t lock
D
isn’t locked
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