The paper________be Tony’s because his name is on the back.
A.may B.might C.can D.must
There________greater progress if we follow the teachers’ instructions.
A.be B.were C.will be D.have been
--- Is our Wechat account safe?
--- Yes, nobody can use it ________ they have the password.
A.unless B.when C.since D.if
HongKong Zhuhai Macao Bridge is ________ cross sea bridge in the world.
A.long B.longer C.longest D.the longest
Sam's parents bought a new set of Lego for him________.
A.at B.on C.in D.to
The Greens will go to the park for a picnic and enjoy________.
A.them B.their C.theirs D.themselves
