I'm very sorry, Dad. I failed the math test.
_____.You've tried very hard.( )
A.You're welcomeB.Sounds good
C.That's for sureD.Never mind
Be quick, we’ll be late for the meeting.
I still remember my first teacher __________ we haven’t seen each other for many years.
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.