【内蒙古呼和浩特市2015年中考英语试题】 --- Excuse me, may I come in?--- Not yet. Please wait on your chair _____ your name is called.
Talk to your teacher and you will get help ________ you have a problem.
Mr. Black used to be busy. But now he’s retired and , so he has plenty of time to exer cise.
My grandpa is going to be years old this year. He will have his birthday party this Saturday evening.
—Will you get there by ________bike?—No, I will take ________bus.
The young has over twenty .