1 . there are many available …………… power sources in Vietnam including sun , wind, water, etc
A : nuclear
B: solar
C : renewable
D: hydro
2 uncle Ho was born ………..
A : on May , 1890
B: in May , 1890
C: 1890, at May
D: at 1890 , in May
3. Nam used to ……. morning exercise when he got up early
A: do
B: did
C: doing
D: done
1.c
2. A
3. A
1.B
2.A
3.A