题目内容：

选择以下必修4词组，并用其正确形式填空（4分）

crowd in     look down upon/on    rid…of    focus on up to now    no wonder       be likely to   badly off

1.He ______________people who’ve never been to university.

2.Last night they _____ the dormitory______ mice which made much noise at night.

3.We should satisfy ourselves with the living conditions

----many families are much _______________than we are.

4.I will stay at home this evening; she ______very ________ ring me tonight.