So many tourist spots ______ that most visitors run out of time before seeing them all.A．o

The locals like selling things to tourists because the tourists are so ______ .A．gullibleB

— Do you think Qingdao is a fantastic place for tourist？— Yes, I have ___ there many tim

When I try to understand______that prevents so many Americans from being so happy as one m

Never before______ so many people applied such abstract mathematics to so great a variety

So many representatives________, the conference had to be postponed.

Bob: Can I help with your luggage?Mary: ______.A.No thanks. I can manage itB.No many tha