In English class, our teacher often creates an environment _____________ we are given the opportunity to solve problems ourselves.
| A．when | B．which | C．where | D．that |
To ask someone for help is to turn _____ him.
| A．to | B．for | C．on | D．by |
Smoking is not _____ in the meeting hall.
| A．supposed | B．allowed | C．happened | D．admitted |
--- At last day _____ and it began to get light. --- It's time for you to leave.
| A．lighted | B．broke | C．rose | D．began |
Her husband felt it would be silly to __ the colour of the curtains before they had painted the room.
| A．change | B．find | C．choose | D．lose |
He spoke so quickly that I didn't _____ what he said.
| A．receive | B．accept | C．take | D．catch |