Police have asked witnesses of the accident to ___________, as the victim is critically wounded, unable to give an account of the accident.
#64846
A
come by
B
come across
C
come forward
D
come on
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While standing on a moving bus, you’re supposed to hold onto the bar in order not to _____.
#84430
A
in balance
B
keep balance
C
lose balance
D
hold the balance
— Shall we go to the cinema this evening?—Sorry I can’t. I’m __________ my mum at the airport at 7:00.
#66014
A
carrying away
B
sending out
C
putting off
D
seeing off
— Has Sam finished his homework today? — I have no idea. He ________ it this morning.
#71940
A
did
B
was doing
C
has done
D
had done