She calls back whenever someone ______ her a message.
#99397
A
left
B
leaves
C
had left
D
will leave
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Much attention should ______ the environment and fighting against pollution.
#103646
A
be paid to protect
B
pay to protecting
C
pay to protect
D
be paid to protecting
 Since she is out of work, Lucy________ going back to school, but she hasn’t decided yet.
#103551
A
had considered
B
has been considering
C
considered
D
is going to consider
--- Oh, dear. I forgot the air tickets. --- You ______ something.
#104280
A
have left
B
are always leaving
C
are leaving
D
always left