A.NaAlO2.
B.Al(OH)3.
C.Al(NO3)3.
D.Ba(AlO2)2.

A.Mantozơ, tinh bột, fructozơ, xenlulozơ.
B.Mantozơ, xenlulozơ, glucozơ, tinh bột.
C.Saccarozơ, tinh bột, glucozơ, xenlulozơ.
D.Saccarozơ, tinh bột, fructozơ, xenlulozơ.

A.Myanmar
B.Brunei
C.Indonesia
D.Singapore

A.at
B.upon
C.into
D.across

A.making
B.getting
C.putting
D.keeping

A.match
B.fix
C.suit
D.please

A.hand in hand
B.cash in hand
C.at hand
D.all hands on deck

A.colors
B.clouds
C.marks
D.Points

A.inventing
B.making
C.taking
D.causing

A.occasion
B.session
C.prospect
D.chance