I think you must be mistaken about seeing him at the theatre; I’m sure he       abroad all week.
#86240
A
is
B
was
C
has been
D
had been
推荐题目
One or perhaps more pages _______.
#86176
A
is missing
B
has been missed
C
are missing
D
was missing
 Many a child _____ lost their parents.
#86191
A
has
B
have
C
is
D
are
________this your guitar?
#44171
A
Am
B
Is
C
Are
D
Do