A.Hiệp định đình chiến giữa hai miền Triều Tiên đã được ký kết.
B.Sự thành lập Tổ chức Hiệp ước Bắc Đại Tây Dương.
C.Liên Xô và Mĩ kí thỏa thuận về việc hạn chế vũ khí chiến lược.
D.Sự ra đời của tổ chức liên minh chính trị - quân sự Vácsava.

A.Giá nguyên liệu rẻ từ các nước vốn là thuộc địa.
B.Hợp tác toàn diện, chặt chẽ với tổ chức ASEAN.
C.Cuộc chiến tranh xâm lược Việt Nam của Mĩ.
D.Cuộc chiến tranh Triều Tiên (1950 – 1953).

A.The train had left the station before I came.
B.I came before the train left the station.
C.I came to the station in time to catch the train.
D.My train left after I came to the station.

A.The teacher asked his students why they always made terrible mistakes.
B.The teacher made his students not always make terrible mistakes.
C.The teacher realized that his students always made terrible mistakes.
D.The teacher complained about his students making terrible mistakes.

A.Luisa may be on cloud nine when his wife gives birth to their first child.
B.Luisa can be very on cloud nine when his wife gives birth to their first child.
C.Luisa could be on cloud nine when his wife gives birth to their first child.
D.Luisa must be on cloud nine when his wife gives birth to their first child.

A.a substitute
B.a variety
C.a means
D.a solution

A.revise
B.recall
C.repeat
D.revive

A.revise
B.recall
C.repeat
D.revive

A.No matter how serious their arguments are, they are a close-knit family.
B.Without serious arguments among the members, they would be a close-knit family.
C.Unless they have serious arguments, they won't be a close-knit family.
D.If the family members hadn't had serious arguments, they would be a close-knit family.

A.Hardly had the date of the conference been chosen when invitations were sent out.
B.After choosing the date of the conference, invitations were sent out.
C.Before sending out invitations, the date of the conference been chosen.
D.Choose the date of the conference before sending out invitations.