﹣﹣﹣I think it is a good way to study English by watching English movies.
﹣﹣﹣I agree.I find it _______ to improve my listening.( )
A.harmfulB.thankfulC.carefulD.helpful
They have been friends __________ they were at primary school.
I’ll go to visit my uncle in England ________ the winter holidays start.
The mobile phone has changed people’s life a lot ________ it was invented.
Getting enough sleep is good for _______ health _______ study.
— Hey, boy. You can’t cross the street now. You have to wait _______ the traffic lights turn green. — Oh, sorry and thank you.