I'm always afraid to ask questions because of my poor____．
You'd better practice speaking English more．（ ）
A．introductionB．information
C．pronunciationD．instruction
More and more people have realized that we shouldn't the ancient buildings in cities．（ ）
A．get offB．put offC．cut downD．pull down
Making paper bottles？Wow， great idea!
Thank you，We may use less plastic in this way．（ ）
A．howB．whatC．what anD．what a
Laura，how often do your family take a trip？
Hmm， ．（ ）
A．since last weekB．twice a month
C．for an hourD．ten days ago
I think our teacher．Mrs．Allen，knows everything．
I agree．Because she over 2，000 books．（ ）
A．readB．has readC．readsD．is reading
The 17﹣year﹣old high school student is trying to a robot which can think like a human．（ ）
A．discoverB．organizeC．inventD．achieve