The bus crashed into a truck in front of it, ______ 40 deaths and more wounded.
| A．cause | B．causing | C．caused | D．to cause |
Mother wanted to be a good provider, a role shesince her marriage to Father.
| A． | shoulders | B． | shouldered | C． | is shouldering | D． | has been shouldering |
Parentsmuch importance to education. They will do their best to give their children that priceless gift.
| A． | attach | B． | pay | C． | link | D． | apply |
Last year the number of studects who graduated with a driving licence reached 200,000, a(n) ________of 40,000 per year.
| A．average | B．number | C．amount | D．quantity |
Nowadays som hod tals refe to patients________name, not case number.
| A．of | B．as | C．by | D．with |
Not until he left his hometo know how important the family was for him.
| A． |
did he begin |
B． |
he begins |
C． |
he began |
D． |
he has began |