___you need any help,you always phone me at the office.[ ]

Sorry for not answering your call， I ___________ a meeting. — It doesn’t matter.

Tom is always making so many mistakes in hisEnglish exercises! — Yeah. If he ________ more careful, he________ fewer mistakes.

We’ll go hiking if it ____ rain tomorrow.—That would be fine.

下列句中加点字的意思与其他三项不相同的一项是