The teacher explained a second time, the students should have difficulty in doing the experiment.
| A．although | B．in case | C．so that | D．but |
—Come on, please give me some ideas about the project．
—Sorry．With so much work ____ my mind, I almost break down．
| A．filled | B．filling | C．to fill | D．being filled |
_____ treating the homeless man as a shame to society, Mrs．Wang provided him with food and water．
| A．Instead of | B．As a result of | C．In the event of | D．Regardless of |
—Mr．Smith, I wonder if I could take Friday off?
—____? It's a bit difficult with so many people away on holiday, you know．
| A．How come | B．What about |
| C．Where are you going | D．Do you really have to |
He must have had an accident, or he ____ here for class then ．
| A．had to be | B．should be | C．would be | D．would have been |
Put yourself in situations where you will be forced to communicate in English, ____ you will see more progress over time．
| A．or | B．so | C．yet | D．and |