The two girls are so alike that strangers find __________ difficult to tell one from the other.
| A．it |
| B．them |
| C．her |
| D．that |
Our football team keeps winning these days, and hopefully it can _______.
| A．keep it out | B．keep it away | C．keep it up | D．keep it down |
She was scared _______ stay outside after dark because she was scared _______ being robbed.
| A．to; to | B．to; of | C．of; to | D．of; of |
. I don’t like such a person _______ often lies before your face.
| A．what | B．that | C．as | D．which |
_______ is known to us all that the old scientist, for _______ life was hard in the past, still works hard in his eighties.
| A．It; whom | B．As; whom | C．As; whose | D．What; whom |
They urged the students _______ the work on time.
| A．finishing | B．to finish | C．finished | D．have finished |