It is global warming, rather than other factors,_____ the extreme weather.
| A．that have led to | B．which has caused | C．which are causing | D．that has led to |
Before the sales start, I make a list ofmy kids will need for the coming season.
| A． | why | B． | what | C． | how | D． | which |
Helping others is a habit,you can learn even at an early age.
| A． | it | B． | that | C． | what | D． | one |
Mothers holding jobs outside the home should have _______ schedules to make it easier to care for their children.
| A．heavy | B．smooth | C．flexible | D．complex |
- Her father is very rich.
-She wouldn't accept his help even if it were offered.
| A． | What for? | B． | So what? | C． | No doubt. | D． | No wonder. |
Your house is always so neat-how do youit with three children?
| A． | manage | B． | serve | C． | adapt | D． | construct |