Traveling by subway ______ sometimes be quite an adventure, especially during the rush hour.
A.must B.can C.shall D.should
—Excuse me, but why am I not allowed to use the gym?
—______, but your room price doesn't cover it.
A.Never do it again B.It’s hard to say C.No offence D.Forget it
As is estimated, more than 20 million shared bikes ______ into operation nationwide by 2025.
A.will have been put B.will have put C.have been put D.will be putting
The newly built cafe, ________ walls are painted light green, is really a peaceful place for us, especially after hard work.
A. that B. its
C. whose D. which
Most people quit ________ any results appear; they give up too soon and a quitter never wins.
A.while B.until C.since D.before
—Could you tell me the ______ of making such tasty cakes?
—Well, I just follow the directions in the cookbook.
A.trick B.feature C.technology D.fashion
