beer bottles can be recycled but they need cleaning thoroughly,__?

beer bottles can be recycled but they need cleaning thoroughly,__?
a.needn't b.don't c.mustn't d.can't
这道题我选的是D,对于can be中的can反义疑问,前肯后否
our kitchen walls had previously been dark brown,so in order to decorate the room properly i had to put on four__of paint
A.levels B.coats C.skins D.covers
这道题我选的是D,既然是墙纸,那么应该是覆盖的把,covers
don't have the machine___all the time.it will go __
a.running,heated b.working,heat C.run ,heating d.work,to heat
这题我选的是c,have sth done,后面那空go heating ,变热
the company__him to take the job with an offer of good salary.
a.forced b.influenced c.tempeted d.stimulated
这题我选的是d,公司鼓励他接受这份工资待遇非常丰厚的工作