Scientists have created GM tomatoes which ______ fresh for 45 days, three times as long as normal tomatoes.
| A．are stayed | B．have been stayed | C．stay | D．stayed |
—— Is the bus stop far from here?
—— It’s a quarter’s walk, ＿＿＿＿＿＿＿＿.
| A．more and more | B．and so on | C．all together | D．more or less |
I’ve got ＿＿＿＿＿＿work to do on a ＿＿＿＿＿＿＿＿ cold day.
| A．much too； much too | B．too much； too much |
| C．too much； much too | D．much too； too much |
The guide told us that he would organize some business men abroad＿＿＿next week.
| A．some time | B．sometime | C．some times | D．sometimes |
There was no news；＿＿＿＿, she did not give up hope.
| A．moreover | B．therefore | C．but | D．nevertheless |
I want to ring him＿＿＿to know the reason why he rang＿＿＿while I was speaking yesterday.
| A．up； off | B．back； up | C．up； down | D．on； off |