当你想展示自己的新蜡笔时,可以说:________ A. It's my crayon. B. Look at my new crayons.
( ) I often swim _______ weekends. A. at B. in C. on
( ) Billy is too fat, he can’t _____of the door. A.get out B. get up C. get to
( ) Peter often _____ an e-mail to his friend. A.send B. sends C. give
( ) What _______ Mike _______ at weekends? A. do;doB. is;do C. does;do
( ) Liu Tao is good at ________. A. swim B. swims C. swimming