Not until he went through real hardship ________the love we have for our families is important.
| A．had he realized | B．did he realize | C．he realized | D．he had realized |
It was so disappointing last year, but now we are __________ that we'll go up.
| A．calm | B．fortunate |
| C．keen | D．confident |
I am one of the students who __________ English well in my class but he is the only one of us __________ maths well.
| A．studies; learns | B．study; learns |
| C．study; learn | D．studies; learn |
It was the first time in two years that I __________ my youngest son face to face.
| A．have seen | B．had seen |
| C．saw | D．see |
It was some time __________ I realized the fact that I had been cheated.
| A．until | B．before |
| C．unless | D．since |
We should think of what use can __________ such a material.
| A．be made for | B．be made of |
| C．be made from | D．be made into |