---Mind your steps, guy! Don’t you see the words “__________ the grass”?
| A．Keep off | B．Keep out |
| C．Take off | D．Take out |
Doing homework ______ a quarter of my free time every day.
A. picks up B. takes up C. puts up
_______ your help, we can finish the task on time.
A. Without B. Instead of C. Thanks to
______ Mary ______ Alice was late for school. Their bikes were broken.
A. Both; and
B. Not only; but also
C. Either; or
The terrible gas makes my chest______.
A. hurts B. hurt C. hurting
______ of the students in my school _______ girls.
A. Two fifths; are
B. Two fifths; is
C. Two fifth; are