The Science Museum is popular because people _____ do experiments there.
| A．can | B．must | C．would | D．should |
Tomorrow is Spring Festival.He ________ his uncle.
| A．dropped by | B．drop by | C．drops by | D．will drop by |
—If you prefer the black dress, you'll have to pay_______20 dollars, because it's made of silk.—OK.Here you are.
| A．other | B．the other | C．more | D．another |
Students spend too much time_______computer games.
| A．playing | B．play | C．plays | D．played |
Mr. Han died_______illness last month.
| A．from | B．with | C．of | D．for |
Trees used to be______for cooking by the hunters in the 1970s.
| A．cut up | B．cut down | C．cut off | D．cut out |