—Listen! I heard the birds ______ around us.
—Yeah, what beautiful music!
| A．sang | B．sing | C．to sing | D．singing |
Britain is ___ of Europe.
| A．in the west | B．to the west | C．at the west | D．on the west |
The teacher spoke so loudly as __ clearly in the crowded meeting hall.
| A．to hear | B．to be heard | C．to listen | D．to be listened |
Your sentence needs a little ___.
| A．being correct | B．correcting | C．to be correcting | D．to correct |
It's no use ___ him in that way.
| A．to talk to | B．talking to | C．to talking to | D．to have a talk to |
Of the three questions the first one is the ___ difficult.
| A．least | B．best | C．more | D．much |