He said that not until the heavy snow blocked the express _________ how serious the weather was.
| A．did the tourists realize | B．the tourists realized |
| C．the tourists did realize | D．didn’t the tourists realize |
相关试题
--- It is too cold for January this year.
--- Yes, but it was still ____ wh
en I first moved to the city years ago.
| A．coldest | B．the coldest | C．cold | D．colder |
The hotel wasn’t particularly good, but I _____ in many worse hotels.
| A．was staying | B．stayed | C．would stay | D．had stayed |
--- Do you think we should accept that offer?
--- Yes, we should, for we ____ such bad luck up till now, and time ____ out.
| A．have had; is running | B．had; is running |
| C．have; has been run | D．are having; runs |
____ the working efficiency(工作效率), the boss allows the employees to have a coffee
break.
| A．Improving | B．To improve | C．Having improved | D．Improved |
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