He ______ sleep, although he tried to, when he got on such a hunt for an idea until he had caught it.
| A．wouldn’t | B．shouldn’t | C．couldn’t | D．mustn’t |
Gold is similar _________colour _______brass.
A. in; in B. to; to C.in; to D at; to
More measures should be ______ to protect the natural resource.
| A．made | B．taken | C．had | D．done |
Tell John not to leave the house unless hethat the lights.
| A．will make sure，turn off | B．makes sure，are turned off |
| C．will make sure，will turn off | D．makes sure，will be turned off |
Mrs．Brown is soabout her housework that few servants Want to work for her．
| A．skillful | B．neat | C．particular | D．special |
After you have used the dictionary，please just put it backit belongs．
| A．to whom | B．to which | C．what | D．where |