—Would you mind my opening the window to let some fresh air in?
—Not in the least. ________.
| A．Come on | B．Take care |
| C．Go ahead | D．Hold on |
The emergency req
uired that all the tasks _____ at least two days ahead of time．
| A．to complete | B．should complete | C．be completed | D．should have been completed |
| A．introducing | B．introduced | C．being introduced. | D．introduce |
… Learning a language isn’t easy. It takes time.
--- I agree.___________. There is no short cut.
| A．All roads lead to Rome. | B．Rome wasn’t built in a day. |
| C．Practice makes perfect． | D．Slow but sure wins the race. |
---I must be off now, or it will be too late to see Tom.
---_______? Do you really want to see that dull boy?
| A．For him | B．Why so | C．For what | D．So what |