1. These small households were portraits of
independence: the entire family, mother, father,
children, even grandparents live in a small house
and working together to support each other. 1.__________
2. In the meantime the unscientific world awoke
to the fact that scientists are on the track of a great 2.__________
discovery.
3. For in 1895, the year of the Curie marriage,
Roentgen discovered the famous rays that are 3.__________
named after him--- he forerunners of modern
X-rays.
4. Mary hoped at one time to study at the University
of Cracow, then under Austrian rule. But when she
demanded to allowed to attend science lectures, the 4.__________
secretary said that science was not a thing in which
women can meddle.
5. Many part-time stu dents expected to offered some 5.__________
jobs on campus during the coming summer vacation.
6. Many people who live in London think that life in
a large city offered special advantages. 6.__________
7. The changes that taken place in air travel during 7.__________
the last sixty years would have seemed impossible
to even the most Brilliant scientists at the turn of
the 19th century.
8. I regret having left the work unfinished, I should
have plan every thing ahead carefully. 8.__________
9. No bank kept enough cash to pay all its depositors 9.__________
in full at one time.
10. The Conestoga wagon, used for carry heavy loads 10.__________
over long distances, originated around 1725 in a region
of Pennsylvania occupied by Conestoga Indians.
答案解析:
1. working→work。此句总体上讲述的是这些小家庭独立的掠影，而后半句解释到这些小家庭的成员生活在一起、工作在一起的情景，应该用一般现在时，和live保持一致。
2. are→were。
3. are→were。
4. allow前加be。“be allowed to do sth.”是“被允许作……”的意思。
5. offered前加be。“offer”是及物动词，后面应该接双宾语结构，即“offer sb. sth.”而在该句中缺少成分而只有宾语补主语，应该将其改为被动语态，即“be offered sth.”
6. offered→offers。
7. taken前加have。
8. plan→planned。
9. kept→keep。
10. carry→carrying。
