Mother told her son ______play too much.
| A．to not | B．not to | C．don’t to | D．to do |
－What do you think of my answer to the questions?
－Sorry. What’s that? I______ about something else.
| A．thought | B．had thought | C．am thinking | D．was thinking |
The pupils hurried to the classroom______ the bell rang.
| A．until | B．as soon as | C．if | D．so that |
Yesterday I was just to go out _____ someone telephoned me.
| A．when | B．while | C．as | D．that |
A boy with two dogs_____ when the earthquake rocked the city.
| A．were sleeping | B．is asleep | C．was sleeping | D．are asleep |
Before I started high school, I used to spend a lot of time _____ games with my friends.
| A．play | B．plays | C．playing | D．played |