More than a dozen students in that school abroad to study medicine last year.
| A．sent | B．were sent |
| C．had sent | D．had been sent |
I prefer ______ washing to ______.
| A．doing; cooking | B．do; cook | C．doing; cook | D．do; cooking |
Which ______ more fat, cream or rice?
| A．contains | B．gives | C．produces | D．have |
The doctor suggested he ______.
| A．not smoke | B．don’ t smoke | C．doesn’t smoke | D．no smoke |
They are considering______ they should do the experiment .
| A．weather | B．that | C．whether | D．what |
Lincoln, ______ President of ______ United States, was assasinated（暗杀）on April 14th , 1865 .
| A．the; / | B．/; the | C．the; the | D．/; / |