—What’s the noise outside?—Some children_____ hide-and-seek in the yard.
#101214
A
were playing
B
are playing
C
have played
D
played
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---Do you want a lift home? ---It’s very kind of you, but I have a much late in the office. I overslept this morning because my morning clock _______.
#104943
A
doesn’t go off
B
won’t gone
C
wasn’t going off
D
didn’t go on
When the old man_____to walk back to his house，the sun____itself behind the mountain．
#103518
A
was starting；hid
B
had started；had already hidden
C
had started；was hiding
D
started；had already hidden
— Has Tom finished writing his essay today? — I have no idea. He ______ it this morning.
#102935
A
wrote
B
has written
C
was writing
D
had written
The old man was taking a walk, ____ by his grandson.
#104560
A
supporting
B
supported
C
being supported
D
having supported
The central heating system of this office building is down and several workers ______ it right now.
#99933
A
had repaired
B
have repaired
C
repaired
D
are repairing