3
aHoa is watching TV
b Trung is listening music
c Mai is doing Math exercises
dHuong and Lan are learning English lab
eStudents of class 7A are studying Physical Education
fMiss Thu is teaching Geography
gNam is asking teacher about sciene
hTwo girls are eating breakfast in the canteen
i.The boy is playing computer games
4)
a.call
b.are making
c.are laughing
d. talking
e.are eating
f.drinking
g.are listening
h.are coming
i.leaving
j.are sitting
k.are you listening?
l.is ringing
m.am leaving