It is raining heavily,_____none of the students are late for school.( )
A.althoughB.butC.soD.because
Helping others makes us very .( )
lonely
proud
lazy
harmful
I in the city since I left school.( )
live
will live
was living
have lived
The earth is a planet and it around the sun.( )
goes
go
will go
went
Don't stand too close to North Americans.You'd better give them more personal .( )
time
system
space
pity
When you break the rules,you should to your teacher.( )
apologise
introduce
expect
compare