"Excuse me, could you tell me where I can buy a guidebook?"
"Sorry, I'm new here. You ________ ask the policeman over there."( )
shall
can
must
﹣﹣﹣Why does Linda dislike me?
﹣﹣﹣I don't know.You'll have to_______ the reason yourself.( )
A.go outB.bring outC.come outD.find out
﹣﹣﹣Would you like something to drink?
﹣﹣﹣No,thanks.I_______ some tea already.( )
A.have drunkB.was drinking
C.will drinkD.drink
﹣﹣﹣Lucy,have you changed a mobile phone with 5 G?
﹣﹣﹣Yes,I think the mobile phone with 5 G can send videos much_______ than the one with 4 G.( )
A.fastB.fastest
C.the fastestD.faster
﹣﹣﹣Are these books_______?
﹣﹣﹣No,they're his.( )
A.yoursB.herC.ourD.their
﹣﹣﹣What did the teacher say just now?
﹣﹣﹣He told us________in the river.( )
A.swimB.swimming
C.not to swimD.not swim