--I hope the math problems won’t be difficult. --- If you prepare well, you can work them out _.
A. Hardly B. easily C. slowly
-- Excuse me, may I come in? -- sorry. Please wait on your chair ___ your name is called.
A. Because B. since C. until
-- I don’t know how to see everyday things online.
-- I can help you ___ a website.
A. Give up B. set up C. turn up
--Do you know the ___Chinese words and characters last year, Jack?
-- Of course, “share”,”cloud” and so on.
A. hot B. hotter C. hottest
--The last bus has left! What should we do?
-- We have no other ___now, let’s take a taxi.
A. choices B. reasons C. results
—Joe. I have been to the moon several times!
—Haha! You ___be joking.
A. can B. may C. must
