完成句子:根据句意及汉语提示,用词组的适当形式填空。(每小题2分)
小题1:. Mrs. White is a kind woman. She spends most of her free time (照顾)these homeless dogs.
小题2:. There is (毫无疑问)that the engineer has made a mistake once again.
小题3:The boy’s parents are dead, so he has to (依靠)himself.
小题4:. Zheng He was the Ming Dynasty explorer whom all the Chinese people
(对……感到骄傲).
小题5:. Now more and more persons walk or ride a bicycle to work (代替)driving a car.