A.Nhân dân thế giới và phe xã hội chủ nghĩa ủng hộ Việt Nam đánh thắng đế quốc Mĩ.
B.Sự lãnh đạo của Đảng Lao động Việt Nam đã nêu cao tinh thần độc lập, tự chủ và sáng tạo.
C.Cuộc chiến tranh Việt Nam chịu tác động của cục diện Chiến tranh lạnh và trật tự hai cực Ianta.
D.Việt Nam có vị trí chiến lược quan trọng trên bản đồ địa - chính trị thế giới.

A.the movie began
B.would the movie begin
C.the movie begins
D.did the movie begin

A.only use mobile phones in medical emergencies.
B.keep off mobile phones regularly.
C.never use mobile phones in all cases.
D.only use mobile phones in urgent cases.

A.their invisible rays.
B.their raiding power.
C.their radiant light.
D.their power of attraction.

A.abandoned his family.
B.could no longer think by himself.
C.had a problem with memory.
D.had a serious problem with mobility.

A.Mobile Phones: A Must of Our Time
B.The Reason Why Mobile Phones Are Popular
C.The Way Mobile Phones Work
D.Technological Innovations and Their Price

A.certainly
B.privately
C.obviously
D.possibly

A.change their user’ temperament
B.cause some mental malfunction
C.change their users’ social behavior
D.damage their users’ emotions

A.they are indispensable in everyday communications.
B.they make them look more stylish.
C.they keep the users alert all the time.
D.they cannot be replaced by regular phones.

A.I couldn’t understand his book because I didn’t read it.
B.I wouldn’t have understood what he was saying if I hadn’t read his book.
C.I was had to understand his book so I didn’t understand what he was saying.
D.If I had read his book, I would have understood what he was saying.