Last Saturday, we were walking along the street _____ a car suddenly knocked an old man over.
A when B while C as D since
You should check your test paper before you hand it in.
A. go over B. look C. Read
We should use the new words correctly.
A. clearly B. brightly C right
He would like a bag of rice instead of gold.
A. in place of B. take place of C. except
In addition. Computer helps us in many ways.
A. Inside B. Besides C. Beside
Tom is unaware of his mistake.
A.is sure about
B. unknown
C. doesn’t realize