He spent two hours ________ his mother with housework last Sunday.
A.helping B.helped C.to help D.help
I think Jay Chou’s “Mojito” is ________than his last song.
A.more better B.the best C.much better D.more good
—________will the first tramcar（有轨电车） line be finished in Huangshi?
—In two or three years.
A.How long B.How soon C.How often D.How far
—The last satellite of BeiDou Satellite Navigation System（北斗卫星导航系统）was successfully launched on June 23th, 2020.
—________exciting news it is!
A.What B.What an C.How D.How an
More and more people in Huangshi choose to go to work ________bike.
A.in B.with C.on D.by
—Jenny, is this ________ cat?
—No. ________is white.
A.you; My B.your; Mine C.your; My D.yours; Mine
