一Excuse me,may I ask you a question?一Sure,________ .A.go ahead B.you’d better not C.I hope so
--I’m worried about my math exam.---______.I believe you can pass it.
A group of middle school students spent two weeks ____the jungle.
She doesn’t have a pen ____.
___ is said that _____ tourists visit this city every day.
How much does the ticket ____ from Shanghai to Beijing?