. —Why didn’t you response to their greeting? —Sorry. I ______they ______ to me.
#102318
A
don’t realize; are waving
B
don’t realize; were waving
C
didn’t realize; were waving
D
didn’t realize; are waving
推荐题目
When his mother came in, the boy pretended ____.
#99791
A
reading
B
being read
C
to read
D
to be reading
Want to buy that kind of cloth because I the cloth well.
#101067
A
have told; washed
B
have been told; washes
C
was told; washed
D
have been told; is washed
Traffic conditions in Beijing ________ for decades. At first people only complained about jams during rush hours，but today every hour is rush hour.
#101468
A
is worsening
B
have worsened
C
have been worsening
D
worsened
Normally you could stay with us, but our house ______ at the moment.
#101537
A
is decorated
B
was decorated
C
is being decorated
D
was being decorated