单选题At no time______ other countries.
单选题We had a party last month, and it was a lot of
单选题Neither the students nor the teacher______the
单选题She______not have seen you yesterday, for she
单选题It was______that he heard of the victory of the
单选题______on a clear day, far from the city crowds,
单选题The reason______I'm writing is to tell you about
单选题Greater efforts to increase agricultural
单选题I'm very keen of hearing, ______?
单选题The policemen went into action______ they heard
单选题He______be tired. He has just begun to work.
单选题______some mammals came to live in the sea is
单选题I'm sorry I can't see you immediately; but if
单选题At last she left her house and hurried to the
单选题In this experiment, they are wakened several
单选题The scheme was so impracticable that I refused
单选题This is the reason______I am not in favor of
单选题Men differ from animals______they can think and
单选题Since the matter was extremely______, we dealt
单选题A person's calorie requirements vary______his