—Will you see me off at the airport at ten tomorrow morning?—Sorry, I ________ a lecture then.
#99470
A
will be giving
B
will give
C
give
D
have given
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— The window must have taken you quite a lot of time that day. — Right. They____ for weeks.
#103071
A
haven’t been cleaned
B
hadn’t been cleaned
C
didn’t clean
D
haven’t cleaned
My dictionary ________ . I have looked for it everywhere but still ______ it . 
#104928
A
has lost ; do not find
B
is missing ; do not find
C
has lost ; have not found
D
is missing ; have not found