– Hi, Peter. How is your work getting along?
– Very well. Everything is going on according to ______.
| A．schedule | B．forecast | C．expression | D．accent |
---- She looks happy. She ________ have passed the exam.
---- I guess so. It’s not difficult after all.
| A．should | B．could | C．must | D．might |
Scientists have to work hard to keep ________ with modern discoveries and developments.
| A．company | B．track | C．pace | D．touch |
The child was told to ________ for being rude to his uncle.
| A．excuse | B．apologize | C．pardon | D．thank |
The two girls had been talking in ________ low voice all ________ time during the meeting, which upset the manager.
| A．a; / | B．/; / | C．/; the | D．a; the |
Only after they had discussed the matter for a few hours ______ a decision.
| A．they reached | B．did they reach | C．they reach | D．do they reach |