30.The British are not so familiar with different cultures and other ways of doing things, ___________ is often the case in other countries
______ made her put on weight so quickly was ______ she never limited her diet.
The old tower must be saved, _______ the cost.
_______ the children grew old, they became more and more _______ in science.
The enthusiastic physician takes part in all community services. ________, he often provides his medical service to the neighborhood.
In _______, the northerners are keen on dumplings while the southerners are fond of rice.