Helen ________ her keys in the office so she had to wait until her husband ______ home.
#101502
A
has left; comes
B
left; had come
C
had left; came
D
had left; would come
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I really ought to go on a diet。I ________ on so much weight since I gave up jogging.
#104788
A
put
B
am putting
C
have put
D
had put
I _______ up here night after night for weeks now. You see, I _______ to give you a surprise.
#100221
A
have come; hoped
B
have been coming; has hoped
C
have come; was hoping
D
have been coming; was hoping
With the development of science, more new technology ______to the field of IT.
#102065
A
has introduced
B
is being introduced
C
is introduced
D
was introduced
My dictionary____. I have looked for it everywhere but still____ it.
#102562
A
has lost; don’t find
B
is missing; don’t find
C
has lost; haven’t found
D
is missing, haven’t found