–Jimmy had a lot of parties recently.
—Yes, that might why he didn’t do well in the test.
| A．sum up | B．add up to | C．account for | D．make sense of |
Tom is good at his work, but he seems to _____ confidence.
A lack B lack of C lacking in D short of
Peter received a letter just now ________ his grandma would come to see him soon.
| A．said | B．says | C．saying | D．to say |
The poor man , ________，ran out of the dark cave.
| A．tiring and frightened | B．tired and frightened |
| C．tired and frightening | D．tiring and frightening |
He asked us to him ______ carrying through their plan.
| A．assist; to | B．assist; by | C．assist; of | D．assist; in |
His report was so exciting that it wasinterrupted by applause（掌声）.
| A．constantly | B．constant | C．seldom | D．never |