—I can never forget the days we spent together in the summer camp.
—Well, especially the day it suddenly began to rain in the middle of the night.
| A．when; when | B．which; when |
| C．what; that | D．on which; when |
The top leaders of the two countries are holding talks in a friendly______
| A．atmosphere | B．state | C．situation | D．phenomenon |
The novel was so interesting that he read it _____ in a single day.
| A．from word to word | B．from sentence to sentence |
| C．from chapter to chapter | D．from cover to cover |
_________ the temperature might drop, coal was prepared for warming.
| A．To consider | B．Considered | C．Considering | D．To be considered |
We are told that more new teaching buildings ________ next year.
| A．build | B．was built | C．has built | D．will be built |
The captain urged that the mission ______ before dark.
| A．must be finished | B．be finished | C．ought to be finished | D．was finished |