—I don’t go to work yesterday afternoon because my car broke down.
—You _______ mine. I wasn’t using it then.
| A．might borrow |
| B．could have borrowed |
| C．must have borrowed |
| D．ought to borrow |
Raymond's parents wanted him to havepossible education.
| A． | good | B． | better | C． | best | D． | the best |
______the nurses want a pay increase, they want reduced hours as well.
| A．Not do only | B．Do not only | C．Only not do | D．Not only do |
—Who’s that at the door?
—is the milkman.
| A．He | B．It | C．This | D．That |
Exactly______ the potato was introduced into Europe is uncertain, but it was probably around 1565.
| A．whether | B．why | C．when | D．how |
Today there are more airplanesmore people than ever before in the skies.
| A． | carry | B． | carrying | C． | carried | D． | to be carrying |