音标：[ði:z]，[ðis]
These are my children.
这些是我的孩子们。
These injuries were avoidable.
这些伤病本是可以避免的。
These questions frustrated me.
这些问题使我懊丧。
These figures are now outdated.
这些数字现在已经过时。
These reforms are long overdue.
这些改革早就该进行了。
These fish are very aggressive.
这些鱼十分好斗。
I'm going to see the dentist this week.
这周我要去看牙医。
This must be the English teacher you often mentioned.
这位一定你是经常提起的英语老师吧。
I don't think he can handle a job this difficult.
我认为他不能处理这么困难的工作。
