The number of people out of job over 4,000,but a number of them to apply for different jobs.
| A．are;are trying | B．are;is trying |
| C．is;are trying | D．is;is trying |
from the top of the tower ,the south foot of the mountain is a sea of trees.
| A．Seen | B．Seeing | C．Having seen | D． To see |
In the dream Peter saw himself by a fierce wolf and he woke suddenly with a start.
| A．chased | B．to be chased | C．be chased | D．having been chased |
Mrs. White showed her students some old mapsfrom the library.
| A．to borrow | B．to be borrowed | C．borrowed | D．borrowing |
Suddenly the idea came to me I might turn to Mr. Smith for help.
| A．what | B．that | C．which | D．whom |
It is still unknown_______ caused the accident last Saturday.
| A．that | B．when | C．what | D．how |