It was _____back home after the experiments.
| A．not until midnight did he go | B．until midnight that he didn’t go |
| C．not until midnight that he went | D．until midnight when he didn’t go |
My teacher praised me for _____ progress I’d made, which was ____ great encouragement to me.
| A．a; the | B．/; a | C．the; a | D．/; / |
– You should walk or run daily if you want to keep fit.
– ______.
| A．Yes, that's enough | B．Thanks for your advice |
| C．I like watching TV | D．Well, that's OK |
The film, ______ 3 love stories, ______ 3 different cities.
| A．consisting of; is set in | B．consists of; is set in |
| C．consisting of; was set in | D．is consisted of; set in |
President Xi Jinping demanded that the environmental problems ______ paid special attention to.
| A．referred to being | B．referred to be |
| C．refer to being | D．refer to be |
– I ran 10 miles last weekend. Can you believe that?
– Wow, that ______ easy!
| A．mustn' t be | B．mustn't have been |
| C．can't have been | D．couldn’t be |