The building has ________ floors and my classroom is on the ________ floor.A. four, fourB. fourth, fourC. four, fourth
----I wonder_______.----Of course. He began to prepare for it last month.
----How amazing, Sara! You are used to going to bed early and getting up early these days.----_______ And I hope you can lead such a healthy life, too.
----Can you tell me ______ live a low-carbon(低碳) life ?----OK. By using both sides of the paper.
I really enjoyed your speech, ______ there were some parts I didn’t quite understand.
My grandfather loves keeping pets.He said a pet could help a person feel______.