.—Shall we attend the concert this evening? —Great idea, ___ we can do some shopping first.
| A．when | B．where | C．since | D．If |
Americans eat ______ vegetables each person today as they did 20 years ago.
| A．more than twice |
| B．as twice as many |
| C．twice as many as |
| D．more than twice as many |
______ recent report stated that the number of Spanish speakers in the U.S. would be higher than the number of English speakers by ____ year 2090.
| A．A; the | B．A; / |
| C．The; / | D．The; a |
--Did he notice you enter the room?
--I don’t think so. He ________ to the radio with his eyes shut.
| A．listened | B．was listening |
| C．had listened | D．has listened |
It is ten years since we ________ each other. We have been working together.
| A．know | B．knew |
| C．get to know | D．got to know |
I asked my English teacher and he replied with a ________look.
| A．determine | B．determines |
| C．determining | D．determined |