—________ you please tell me where to get a ticket to the concert?
—Just at the door gate.
A.Must B.Should C.Could
More and more people are learning Information Technology ________ they can serve the Belt and Road.
A.unless B.so that C.even if
I don’t know if AI technology ________ a more important role in people’s future life.
A.plays B.will play C.has played
Doctors always suggest ________ more vegetables and fruit before you get too fat.
A.eat B.to eat C.eating
—There was thick haze(雾霾) in Changsha every autumn. What do you think of it?
—I think the ________ cars we drive, the less pollution our city will have.
A.fewer B.less C.more
________ the Double Ninth Festival, we always visit the old to show our respect.
A.In B.At C.On
