1. When I was drawing yesterday, I broke two pencils.
2. When I met Tom, he was going to the shop.
3. When I looked out of the windows, the children were playing hide-and-seek.
4. Father was watching TV at ten o'clock yesterday.
5. I went to bed at 9 o'clock yesterday.
1 to stop talking 2 to be patient 3 to go to her room 4 to hurry up 5 for the key 6 not to go out without him 7 not to forget my bag 8 not to eat in the lab 9 not to give herself up 10 not to hurt themselves
She can draw very well.
He can drive a car.
We can play tennis.
My little sister can ride a bike.
Olga can bake cakes.
We can't fly .
I can't speak Chinese.
He can't play chess.
They can't sing.
Alex can't dance.
Is needed
are used
recycle
are saved
is protected
are cut
cut down
disappear
destroys
causes
are taught
understand