The teacher commanded that the students __________ the classroom before he returned.
| A．didn't leave |
| B．wouldn't leave |
| C．needn't leave |
| D．shouldn't leave |
Computers and mobile phones, playgh they are indeed making our life________and more________have reduced the need for face-to-face cotyr unication.（）
| A． | easily;effienenl | B． | easier;efficient | C． | easy;efficiently | D． | easily;efficiently |
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 |