Only after one has become a parent _____ how great his parents are．
| A．he will realize | B．will he realize | C．that he realizes | D．he does realize |
I ran an old friend of mine yesterday，whom I hadn’t seen for ages．
| A．across | B．cross | C．after | D．for |
She thought I was talking about her daughter，，in fact，I was talking about my daughter．
| A．whom | B．where | C．which | D．while |
He decided to the matter himself．
| A．look through | B．look into | C．look after | D．look up |
Let’s walk over——the sun．
| A．in | B．to | C．under | D．by |
It’s so nice to go out for a walk a cool nice summer evening．
| A．in | B．on | C．for | D．a |