把﹣6﹣(+7)+(﹣2)﹣(﹣9)写成省略加号和的形式后的式子是( )
A:﹣6﹣7+2﹣9
B:﹣6﹣7﹣2+9
C:﹣6+7﹣2﹣9
D:﹣6+7﹣2+9
She had great difficulty ________ the suitable food on the menu in that restaurant.
地球上最主要的水体是( )
补全表格中所缺信息。
Huaxing Clothes Store
Sweaters
¥____
Bags for____
¥12
T-shirts in red____and white for girls.
¥18
____for boys
¥5
All the things are____and nice.