A. turn on
B. turn into
C. turn off
D. turn up
[单选题]6. It s getting dark,please _________ the light.A. turn offB. turn onC. turn downD. turn up
[单选题]6. —What are __________?-.—They are pencils.A.thisB.thatC.itD.these
[单选题]6. Chinese is different __________ English.A.fromB.inC.atD.on
[单选题]6. They are going to help tourists _________ speak French.A. can't whoB. who can-tC. don-t who .D. who do
[单选题]6. Bob _______come.A. sure toB. sureC.isD.is sure to