When MrSmith took over the company, it was already heavily______ and had no money to pay the workers

Did you visit the Big Ben in London?—- No, we ______ it, but we spent too much time shopping.

I really wanted to know ___________.–I went there by train.

下列句子中没有语病的一项是（ ）

下列对课文的理解，不正确的一项是