— ________does your father exercise?
—He exercises almost every day.
A.How long B.How often C.How much D.When
I like sitcoms, ________ they’re funny and relaxing.
A.so B.because C.but D.if
—What did you do when you were in Beijing?
—I________ the Palace Museum.
A.visit B.will visit C.visited D.am visiting
The Hong Kong-Zhuhai-Macao Bridge is________ sea-crossing bridge in the world.
A.long B.longer C.longest D.the longest
The Beijing Daxing InternationalAirport opened________ September 25th, 2019.
A.to B.at C.in D.on
Students these days often have problems with________ schoolwork and friends.
A.they B.their C.them D.themselves
