Compared with the generation of our grandparents, who grew up in an age when people were _____ in almost every kind of materials, we should be content with the abundant supply.
| A．lacking | B．curious |
| C．cautious | D．accurate |
I didn’t realize my mistake ________ my teacher had a facetoface talk with me.
| A．until | B．after | C．since | D．when |
---There is some doubt _____ the concert will be held as the company intends to redecorate the stadium next week.
---What a pity!
| A．where | B．that | C．if | D．how |
The number of various educational programs is increasing important roles have been recognized by more and more people.
| A．whose | B．where | C．which | D．that |
Through so much trouble，he learned ________ everyone needed friendship and ________self confidence is important.
| A．that；/ | B．/；/ | C．that；that | D．/；what |
The American economy is still in trouble，________ the Chinese economy is beginning to pick up.
| A．when | B．however | C．while | D．therefore |