When we are in the lab,we must follow the teacher's i___
单词拼写in the lab you must follow your teacher's i___ before do
In the lab,we have c_____It's very interesting
We must walk on the right side of the street when we are in
when the teacher came in ,we stop ( )
You must follow the teacher --------- when you do the experi
oh,we are what we are when in the danger
we must listen to the teacher carefully in class
It's a ( )to work with you in the lab.I hope we'll have the
小学四年级英语what must wen do when we are in the cinema or theatre
When we are on the bus,we should give s什么 to people in need.
We must ___________ (follow) the rules.Are you going to help
our science teacher asked us to follow his d——in the lab