Which of the following signs means something can be recycled？（ ）
﹣May I speak to your headmaster？
﹣Sorry，he isn't here．He _______ to Guiyang on business．
have gone
has gone
have been
has been
﹣Can you tell me _______ come to Tongren？
﹣By air．（ ）
when you
when do you
how you
how do you．
﹣Would you mind _______ the electric fan，Alice？﹣Of course not．It is so hot here．（ ）
turn off
turn on
turning off
turning on
﹣What's in the picture？
﹣There _______ a teacher and some students playing games on the playground．（ ）
is
are
has
have
﹣How does your father go to work every day？
﹣He used to _______ a bus but now he is used to _______．（ ）
take；walk
taking；walking
taking；walk
take；walking
粤公网安备 44130202000953号