if__________, you can contact me at home (need)

the_______ asked Nam lots of question (examine)

he ended his letter of inquiry_________(polite)

My sister said she __________for a part-time job the following week

A.was looking B.looked C.would look D.will look

7. One example/ iTV / "The Weather Channel " . You/ see/ a panel/ "Go Interactive" option/ Screen, you/ select it/ a remote or keyboard.

Các chất tác dụng được với dung dịch NaOH :

A. Al. MgO            B. CO₂, Al              C. SO₂, Fe₂O₃                    D. Fe, SO₂ .