exercise,they,on,always,weekends(.)

exercise,they,on,always,weekends(.) they always ____ on weekends they aren‘t always free on weekends同义句 I usually exercise on weekends. I always exercise at 8:30 on weekends.把主语换为he. Tom always （ ） on weekends. I usually exercise on weekends ,对exercise提问 They always go shopping on weekends.（就划线部分提问） ————— She always cleans her room on weekends(on weekends提问) The buses are always (crowd) on weekends. They usually ( ) ( have) on classes on weekends We usually exercise on weekends.变否定句