Things havechanged [a lot] since I was a child.

[单选题]This 15 his [obligation]to take care of the child.A.right'B. natureC.workD.

[单选题]__________ of the students in our class money for the disabled child.A.Two

[单选题]The parents, ________ poor, could not buy a present for their only child.A.

[单选题]He dived from thebridge to [rescue] the drowning child.A.helpB.dragC.findD.

[问答题]物联网（The Internet of Things, lOT ）

[单选题]We always have a lot of things ________during the voyage.A．doB．doingC．to doD．does

[单选题]When I was a child I used ______ swimming in the lake.A． to goingB． goingC． to goD． go

[单选题]I have thousands of classes since I started school rune years ago． But only one (51) was the most important．It happened Iast term just after I had got a (52) result in an exam．l was sad and had lost my confidence．l decided to go to a class which can

[单选题]There ___be any difficulty about passing the road test since you have pract

[单选题]I had to earn a lot of money__________ I could buy my children nice clothes andtoys.A． more or lessB． so thatC． now thatD． sooner or later