﹣ Hello! Could I speak to Betty， please？
﹣ Hello! _________（ ）
A．Can you help me？
B．Are you OK？
C．This is Betty speaking．
We are planning a Yangtze River Protection Day this weekend． Do you have any advice？
You'd better ____signs around the school to tell all the students about that．（ ）
A．make upB．put upC．set upD．show up
There is always a smile on your face． Isn't there any trouble in your life？
Yes， there is． But life is like a mirror．______ you smile at it， it will smile back．（ ）
A．WhenB．BeforeC．UntilD．After
Many products made in China are very popular in the United States．
Yeah． Americans can _____avoid buying Chinese products．（ ）
A．nearlyB．mostlyC．hardlyD．widely
Can we walk across the road now？
No， we____． We have to wait until the light turns green．（ ）
A．couldn'tB．needn'tC．shouldn'tD．mustn't
I do feel a little_____ about making a speech．
Take it easy． The more you prepare， the better you will feel．（ ）
A．angryB．disappointed
C．nervousD．bored