— Tom, you are caught late again.
— Oh, ______.
| A．not at all | B．just my luck | C．never mind | D．that’s all right |
I__________ letters this morning and I__________ for four hours so far.
| A．will write; wrote |
| B．have written; have written |
| C．was writing; wrote |
| D．have been writing; have written |
They __________ on the program for almost one week before I joined them, and now we __________ it as no good results have come out so far.
| A．had been working; are still working |
| B．had worked; were still working |
| C．have been working; have worked |
| D．have worked; are still working |
—Hi, Tracy, you look tired.
—I am tired. I__________ the living room all day.
| A．painted |
| B．had painted |
| C．have been painting |
| D．have painted |
I think we can safely __________ that interest rates will go up again soon.
| A．assume |
| B．accomplish |
| C．attain |
| D．assemble |
We must seize this opportunity and take proper measures to __________ the growth of our economy.
| A．accelerate |
| B．applaud |
| C．overlook |
| D．accumulate |