下列生物的细胞具有细胞壁的是( ) 。
How _________ Su Yang spend ___________ weekends? A. do ; her B. does ; her C. do;she
He usually __________ grasshoppers in the park. But now he is _________ a kite in the park. A. catch ; fly B. catching ; fly C. catches;flying
She sings well. I learn songs from _________ A. her B. sheC. it
------ How do you spend you weekends? ------I often go ____________ A. swim B. swims C. swimming
Yang Ling and her classmates are talking __________ their homework. A. with B. to C. about