Not until he got to the classroom _ he had left his books in the dormitory.
| A．Martin realized |
| B．realized Martin |
| C．did Martin realize |
| D．had Martin realized |
— The food in the restaurant is horrible. If only we ______ to the students’ canteen.
— But the food isn’t everything. Isn’t it nice just to get away from all the noise?
| A．would go | B．have gone | C．had gone | D．will go |
Many college graduates are willing to start online shops to get over the period ______ they have difficulty finding a satisfactory job.
| A．where | B．when | C．which | D．that |
One can’t be really happy if _________he enjoys doing is regarded by society as of no importance.
| A．how | B．that | C．what | D．where |
Tom does speak Chinese well, but his reading and writing skills leave much _________.
| A．to improve | B．to be improved | C．being improved | D．having improved |
We’d better take umbrellas—I’m sure it _____ when we arrive in London; it’s always wet there at this time of year.
| A．will rain | B．is raining | C．will be raining | D．would rain |