1. — Excuse me, officer. I can't find the subway entrance. ______ — See those glass doors? Go in and you will see it on your right.
A. Can you help me?
B. Where is it?
C. Show me the way?


2. — Excuse me, can you tell me where the nearest bus stop is? — I'm sorry, I have no idea. I ______.
A. am a stranger here
B. am new
C. don't know


3. We support the view that poor management will ______ business failure.?
A. take in
B. lead to
C. break up


4. It is easy to get the software we need ______ the market is small.
A. although
B. so that
C. as if


5. She didn't know______ to express her ideas in English clearly in public.?
A. how
B. why
C. which


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