I find________difficult to finish the work on time．We only have three hours left．
A．it
B．that
C．its
D．this
(2013山西中考)Young people today________posting wonderful articles and beautiful photos onto the micromessage(微信)to share with friends．
A．are afraid of
B．are used to
C．are worried about
(2012吉林)Lucy and I are twins，but we’re different________each other in many ways．
A．for
B．in
C．of
D．from
(2013四川遂宁)高中和初中的教学方式是不同的。
The ways of teaching in senior school are________ ________those in junior schoo.．
The workers were made________day and night．
A．work
B．to work
C．works
D．worked
The box is e________and there’s nothing in it．
