You can get a point ________ you answer a question correctly.
When something is on fire, people throw sand on it to put out the fire. The main use of the sand is to _________.
It needs a lot of practice ___English well.
Harry Potter V is an interesting movie, so my brother watched it last night.
-The changes are good for people.-______________________. I like the present transport but I dislike the pollution.
––When did they arrive?––They ______two hours ago .They ______ here for two hours .