My grandmother________a lot of changes in Tianjin since she came here．
A．sees
B．can see
C．will see
D．has seen
—We’re supposed to recycle paper and bottles．It can help the environment．
—________．It can save money，too．
A．It’s nothing
B．Best wishes
C．I agree
D．Never mind
The number of books in the bookshop is about 10，000 and a number of them________about science．
A．is
B．was
C．are
D．were
Would you please________my baby while I’m cooking？
A．take out of
B．take care of
C．take part in
D．take away from
—Why are you standing there，Mingming？
—Two tall boys are sitting________me，so I can’t see the blackboard clearly．
A．behind
B．next to
C．in front of
D．beside
Sally used to be________，but now she enjoys meeting and talking to new friends．
A．active
B．shy
C．honest
D．outgoing
