Computers first came into use ________.
A. in 1950s B. on the 1950s C. in the 1950s
—Is Jeff young ________ old? — ________.
| A．and；He’s old | B．or；He’s young |
| C．of；Yes, he is | D．to；No, he isn’t |
—
—She is of medium height.
| A．Where is Julie | B．What does Julie do |
| C．What does Julie look like | D．How is Julie |
Kelly _______ girl, wants to be a reporter.
| A．a 8-year-old | B．an 8-year-old |
| C．an 8-years-old | D．an 8 years old |
-There____a number of students in our school.The number of them_____over 1000.
| A．is,are | B．are,are |
| C．are,is | D．is,is |
Lucy ______ at home and read ______ interesting book.
| A．stay, an | B．stayed, an |
| C．stays, a | D．stayed, a |