Sorry for being latethis morning.—Never mind. The weather was terrible and many people ______ the bus.

当你称呼李老师（男）时，应如何称呼__________.

_______ problem solved—We were trying to think of ________ wayout, but it was difficult to find one.

下列各句中，没有语病的一项是（ ）

I would have helped you, but I ________ really occupied the whole week