①（ $\sqrt{3}$ + $\sqrt{2}$ ）²﹣ $\sqrt[3]{64}$

② $\sqrt{12}$ +6 $\sqrt{\frac{1}{3}}$ ﹣ $\sqrt{27}$

③ $\frac{\sqrt{50}+\sqrt{32}}{\sqrt{2}}$ ﹣4

④ $\frac{\sqrt{3}\times \sqrt{6}}{\sqrt{2}}$ + $\sqrt{8}$ × $\sqrt{2}$ ．

根据句子意思或音标写出单词的适当形式。
My cousin Jack is in Class 2, G____ 7 in our school.
The family like eating in the r____  instead of (代替) at home on Sunday.
T____  is the fifth day of a week.
We do morning e____ every day.
There are 6 h____ students in my school.

The sports shoes are those____ (child).
Daniel ，____ (not talk) in class.
This pair of blue jeans ____ (be) beautiful.
Millie gets a lot of  ____  'preznts at Christmas.
Where are my ____   'trauz?z    ?