lled to tell his mother that he couldn’t enterthe house, for he ________ his key at school

Whenever he worked until midnight, hedrink some coffee to get refreshed.

We are glad to see the suggestions _____ by the Students’ Union have turned out to be working ratherwell. [ ]

Was he present a the meeting?—- He ____ not have attended it, for he was busy repairing his computer all the time.

China will have to consider _____ it wants to be viewed by the rest of the world when it exercises its influence as a major power