桃果实表面光滑对有毛为显性,在毛桃的植株上授以纯合光桃的花粉,该雌蕊发育成的果实是 ( )
Laura can ________Chinese. A.say B.tell C.speak
I like __________stamps. A.collect B.collecting C.collected
Sam and Tom ________ got a new bike. A.have B.has C.are
——__________ can you do? ——I can jump and swim. A.When B.How C.What
Xinjiang is _____________ of China. A.in the west B.in the east C.west