What great fun we had ______ and ______ together at the party yesterday!
| A．to sing, to dance |
| B．sang, danced |
| C．singing, dancing |
| D．to sing, dance |
It’s said that the forest disappearing.
| A．is | B．am | C．are | D．was |
—Why are you so happy, today?
—Because I to London with my parents tomorrow.
| A．fly | B．flew | C．am flying | D．have flown |
The computer in 1946 in America.
| A．is invented | B．was invented | C．invents | D．invented |
—You praise your son. He works harder than before.
—Thanks, I will.
| A．should | B．can | C．may | D．must |
Our team tried our best, we failed the match at last.
| A．but | B．and | C．or | D．while |