—Did you catch the first bus to school this morning?
—No I didn’t. It had started moving ______I could get on it.
句意：——今天早上你赶上第一班去学校的公共汽车了吗?——不,我没有。我还没来得及上车，它就开始启动了。
考查连词辨析。after在……之后；since自从；before在……之前；as soon as一……就……。根据It had started moving ____I could get on it. 可知是我还没来得及上车，它就开始启动了；时态是过去完成时，动作是过去的过去，所以用before引导时间状语从句，故答案选C。
—Did you catch the first bus to school this morning?
—No I didn’t. It had started moving ______I could get on it.
Life is like a horse, and ________ you ride it ________it rides you.
—Labor(劳动)education is important for students' development.
—Yes. ________schools put it into practice, students will be more independent and helpful.
I think the coffee beans are from Brazil, ________ I’m not completely sure.
Max got lost and was trapped in the forest for 10 hours _______ a farmer nearby found him.
Our school basketball team will win the next match _________ they practise more.
We’re not very close friends______ we’ve known each other for a long time.
Give me a chance, ________I will give you a wonderful surprise.
Lucy held her head up like a queen______ Bill was telling his tale.
Father is too tired today. Don’t call him ________ it is necessary.
