According to some signs, some experts have _______ that the global economy is beginning to recover little by little.
| A．covered | B．examined |
| C．concluded | D．checked |
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 |
Every time he tried to start the car, the wheels _____ deeper into the mud.
| A．stayed | B．sank | C．fell | D．dropped |