I insist that he _______ medicine instead of law.
| A．has studied | B．studies | C．should study | D．studied |
Because Sarah has always saved __________, she is now able to afford a big house.
| A．what little she earns | B．how little she earns |
| C．for little she earns | D．with little she earns |
--Reading is the best way to pass time on the train.
--, I never go traveling without a book.
| A．You are joking | B．That's true |
| C．I don't think so | D．It sounds like fun |
When it ________ air pollution, Beijing faces the three “C”s, cars, coals and construction, which lead to Beijing’s thick air pollution.
| A．refers to | B．comes to |
| C．happens | D．speaks to |
It remains ______ whether Jim will be fit enough to play in the finals.
| A．seen | B．to be seen |
| C．seeing | D．to see |
English is ________ hard for me and Physics is ________ harder.
| A．a little; a lot | B．a lot; a little |
| C．a bit; more | D．rather; quite |