It takes us less time to go to Beijing because the of trains has increased a lot.( )
A.priceB.speedC.spaceD.service
Slow down! Someone ________ the road.
Easy. I will.( )
A.has crossedB.was crossing
C.is crossing
Playing computer games too often ________ bad for us.( )
A.amB.isC.are
Stephen Hawking, a great scientist, died ________ the morning of March 14, 2018.( )
A.onB.inC.at
Mom, can you help me wash my clothes?
Sorry, dear. Help ________.( )
A.myselfB.ourselvesC.yourself
What do you think of ________ movie Amazing China?
It's wonderful.( )
A.aB.theC./