The two girls are so alike that strangers find ___ difficult to tell one from the other．
A．it B．them C．her D．that
Find ways to praise your children often，____you’ll find they will open their hearts to you．
A．till B．or C．and D．but
---I’m sorry I broke the vase．
---0h．______．It wasn’t very expensive．
A．you’d better not B．I’m afraid not
C．as you wish D．that’s all right
Take your time—it’s just ______ short distance from here to ___ restaurant．
A．不填；the B．a；the C．the；a D．不填；a
animal A. achieve B. anything C. advance D. anxious
center A. ocean B. decide C. cause D. socialist
