One must live in the United States for five years in order to _____ citizenship.A.appeal t

______ here at the top of the mountain with no one else near, you must be very lonely.

A．Lived

B．To live

C．Living

D．Being live

______(live) here at the foot of the mountain with no one else near, you must be very lonely.

A. Both parents must be university students.

B. The parents must live in university housing.

C. Children must be at least six years old.

D. At least one of the parents must be studying for a doctorate degree.

What is one of the things that must be done before man can live on Mars？

A．Its surface must be studied.

B．Its temperature must be raised.

C．Big spaceships must be built.

D．Its air must be purified.

What is one of the things that must be done before man can live on Mars？

A．Its surface must be studied.

B．Its temperature must be raised.

C．Big spaceships must be built.

D．Its air must be purified.

A、appeal to.

B、accept.

C、approve of.

D、apply for.

A.In western countries, old people always live with children.

B.After people die, firstly the doctor will come to confirm deat

C.People in Australia must be burned after they di

D.The funeral must be held in churc

A、Never compare our strengths with others’ weaknesses

B、Always be kind to those misfortuned people

C、We must discover our own shining points and tap our potential

D、We should live with the body we are born with and learn to accept ourselves

To live remains an art which everyone must learn, and which no one can teach.

A．生活是一种每个人必须学会没有人教的艺术。

B．生活保持一种每个人必须学会没有人教的艺术。

C．生活仍然是人人必须学会而没有人教你的一种艺术。

D．居住是一种艺术，每个人必须学，但没有人教。