1.he asked what ( B)the matter with you【前后时态要一致】
a.is b.was
2.hurry.the guide said ( A )【have gone一般解释为在路上,如此以来就不需要Hurry up了】
a.it was time we went home b.it was time they had gone home
3.the boy want to ride his bike.but his mother told him（A）【tell sb to do sth.在这里前面一条句子已经提到了do what,于是就不需要再次强调do it】
a.not to b.not to do c.not to do it
4.it was very (A )that Tom wrote down the phone number.【副词修饰形容词】
a.carefully b.careful
5.the train ( A)for beijing at 9:20【解释为火车出发,是主动而非火车被谁迫使出发】
a.sets off b.will be set off
6.are you familiar with beijing?【强调在那里已经住过多少年,用完成时】
yes,i(B )there for 4 years.how i wish i were working there now
a.lived b.have lived
i can come up to your expectations
我能实现你的期待
the one million people of the city of能否改成in
不能,因为the one million people of the city解释为这个城市的一百万人口,指总数.而 the one million people in the city解释为这个城市有一百万人口,并不代表总人口有这么多.至于具体的总人口会超过一百万这个数量,如果改成in会与原句意思不符.