Last night Mr. Crook didn’t come back at the usual time. __________ , he met some friends and stayed out until midnight.
| A．Meanwhile | B．However | C．Instead | D．Yet |
A driver should __ the road when .
A concentrate on; drive B. concentrate in; driving
C. concentrate to; drove D. concentrate on; driving
Helen always helps her mother even though going to school ______ most of her day.
| A．takes up | B．makes up | C．saves up | D．puts up |
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 |