When we go to our class, the lesson (start) for 15 minutes.
A.started
B.will start
C.will have started
D.is starting

A.polite
B.problem
C.arrive
D.guitar

A.entertainment
B.communicate
C.geography
D.appropriate

A.service
B.lobby
C.weather
D.receive

A.condition
B.profession
C.interaction
D.translation

A.holiday
B.health
C.hobby
D.honor

A.address
B.important
C.master
D.embarrass

A.study
B.student
C.studio
D.stupid

A.marvel
B.package
C.farther
D.lastly

A.son
B.above
C.convenience
D.wonderful