小题1:We must learn and help _________ __________( 互相 ).
小题2:The shop sells (出售) many school things, _____ _____ ( 例如 )pens, pencils,rulers, erasers and so on.
小题3:She ________ _________ ( 有空 ) on Saturdays.
小题4:Mrs. Smith likes _________ some ________( 购物 ) on Sunday morning.
小题5:Li Lei _____ _____( 不得不) go to school on foot today because his bike is broken.