The boy lost his key, so he has no choice but         till his mother came home.
#96492
A
waited
B
waiting
C
wait
D
to wait
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The little boy burst         .
#96740
A
out cry
B
into being cry
C
out crying
D
into crying
 _______ the task on time, he was fired by the boss.
#98451
A
Not completed
B
Not having completed
C
Not have completed
D
Not being completed
________ from space, the earth is blue.
#95613
A
When seeing
B
When see
C
When we see it
D
When to see