-Tom has a lot of parties recently.
- Yes, that may ________ why he didn’t do well in the test.
| A．sum up | B．add up to |
| C．account for | D．make sense of |
The movie is quite ________, which can be judged from their expression after watching it.
| A．thrilled | B．thrilling | C．to thrill | D．thriller |
For her, happiness ________ helping those in trouble.
| A．consists of | B．consists in | C．makes up | D．lie in |
I suggested that he _____ the manager before he decided.
| A．telephoned | B．would telephone | C．telephone | D．had to telephone |
His failure in the experiment suggested that he ________ his teacher’s proper instructions.
| A．should not have followed |
| B．should not follow |
| C．mustn’t have followed |
| D．hadn’t followed |
Professor Hawking stepped into the office I knew that there was no hope.
| A．Unless | B．Now that |
| C．Although | D．The moment |