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   一、倍数增减的表示法   1) Force N1 _______________   2) This substance _______________.   3) The earth _______________.   4) The landlord _______________.   5) They _______________.   二、时态   1) Be quick, _______________.   2) When she got home, _______________.   3) When I prepare for the college entrance examination, _______________.   4) I_______________.   5) Do you often go on holiday? _______________.   6) He joined the army in October, 2001. _______________.   三、被动语态   1) The blackboard and chalk _______________.   2) The book _______________.   3) Computer models _______________.   4) When the bill of fare was brought, _______________.   5) _______________to eliminate sandy storms.   四、情态动词   1) The phone is ringing, _______________.   2) I cant find my sunglasses. _______________.   3) You screamed in your sleep last night. _______________.   4) Its a pity. _______________.   5) _______________; most of the guests were wearing jeans and sweaters.   五、虚拟语气  |