—Mum，it’s late．Why are you still here？
—Dad hasn’t come back yet．I________for him．
A．am waiting
B．was waiting
C．waited
They have fun________their homework all the time．
A．do
B．to do
C．doing
D．to doing
Thanks for helping me________out that problem．
A．work
B．working
C．works
D．to working
The news on TV reported that it would rain________．
A．heavy
B．hardly
C．heavily
D．big
—She didn’t play computer games．
—________．
A．I didn’t，too
B．I didn’t，either
C．I didn’t，already
D．I didn’t，also
She________in her room at 9:00 last night．
A．slept
B．was sleeping
C．is sleeping
D．sleeps
