It is _____ challenge for graduates to find ____ work as unemployment is very high nowadays.
| A．the; 不填 | B．a; a | C．a 不填 | D．不填;不填 |
_______ late the next morning, Bob turned off the alarm.
| A．To sleep | B．Sleeping | C．Sleep | D．Having slept |
When a pencil is partly in water, it looks as if it___________.
| A．breaks | B．has broken | C．were broken | D．had been broken |
Icy road conditions in Teasdale ___________ two roads being closed.
| A．came about | B．came across | C．resulted in | D．resulted from |
I didn’t see your sister at the meeting. If she __________, she would have met my brother.
| A．has come | B．did come | C．come | D．had come |
The detective, ________ to read a newspaper, glanced at the man ________ next to a woman.
| A．pretending; seat | B．pretending; seated |
| C．pretended; seat | D．pretended; seated |