It was only after I came across that matter_______ how important it was to master a foreign language.
| A．did I realize | B．had I realized |
| C．that I realized | D．when I realized |
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 |
The island, _____ to the mainland by a bridge, is easy to go to.
| A．joining | B．to join | C．joined | D．having joined |
Even the best writers sometimes find themselves _____ for words.
| A．lose | B．lost | C．to lose | D．having lost |
I ______ through that bitter period without your generous help.
| A．couldn’t have gone | B．didn’t go |
| C．wouldn’t go | D．hadn’t gone |
To get a better grade, you should ______ the notes again before the test.
| A．go over | B．get over |
| C．turn over | D．take over |