—I’m sorry I broke your mirror.
—Oh, really? ______.
| A．It’s OK with me | B．It doesn’t matter |
| C．Don’t be sorry | D．I don’t care |
The traditional view is _____ we sleep because our brain is “programmed” to make us do so.
| A．when | B．why | C．whether | D．that |
We arranged to meet at the cinema at 7:30, but he failed to ______.
| A．turn up | B．turn on | C．turn out | D．turn over |
Miss Green contributed fifty dollars, but she wished she could contribute _____.
| A．one other fifty dollars | B．the same amount also |
| C．more fifty dollars | D．another fifty |
When _____ different cultures, we often pay attention only to the differences without noticing the similarities.
| A．compared | B．being compared | C．comparing | D．having compared |
Hundreds of species are declared to _____ in the coming century.
| A．die away | B．die out | C．die down | D．die off |