_______ in the queue for half an hour, Tom suddenly realized that he had left his wallet at home.
| A．To wait | B．Having waited | C．Have waited | D．To have waited |
He was so angry at all _____ I was doing _______ he walked out.
| A．that; that | B．what; that | C．that; what | D．which; what |
The little boy is dirty from head to foot because he______in the mud all morning.
| A．has played | B．is playing |
| C．has been playing | D．was playing |
Miss Smith is a friend of________.
| A．Mary’s mother’s | B．Mary’s mother |
| C．Mary mother’s | D．mother’s of Mary |
Hillen used to be very shy, but she has grown________it now.
| A．without | B．over | C．away | D．out of |
Dark glasses are sometimes worn to ________the eyes from strong sunlight.
| A．prevent | B．care | C．defend | D．protect |