Tom was about to close the window ___ his attention was caught by a bird.
#92992
A
when
B
if
C
and
D
till
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If he takes on this work, he will have no choice but ______ an even greater challenge.＿
#92253
A
meets
B
meeting
C
meet
D
to meet
________ your composition carefully, some spelling mistakes can be avoided.
#93577
A
Having checked
B
Check
C
If you check
D
To check
Volunteering gives you a chance____ lives, including your own.
#92258
A
change
B
changing
C
changed
D
to change
The police are looking for a missing boy who is believed ______ a white pullover and blue jeans.
#92899
A
wearing
B
to wear
C
to be wearing
D
having worn