__________ to improve the students' sight, the eye exercises are done in schools nation-wide.
| A．Being designed | B．To design |
| C．Designing | D．Designed |
相关试题
I arrived late and missed the flight. I the traffic to be so heavy.
| A．hadn’t expected | B．haven’t expected |
| C．wouldn’t expect | D．was expected |
I don’t know why she’s looking at meshe knew me. I’ve never seen her before in my life.
| A．as | B．although | C．as if | D．even if |
A new movie Sacrifice came out last year, Ge You played adoctor saved an orphan at the cost of his own baby.
| A．in which; who | B．when; who | C．on which; by whom | D．where; whom |
As he was too fat, he tried several shirtsbut
fitted him.
| A．on; none | B．in; some | C．on; some | D．in; none |
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