A:paints
B:is painting
C:painted
D:has painted
My sister likes playing the guitar, but she can't play ______.
青蛙与家鸽生殖发育的相同之处是( )
如图,在△ABC中,AB=AD=DC,∠BAD=24°,求∠BAC的度数.
用酵母菌酿酒时,如果向酿酒的原料中注入足量的氧气,会出现的现象是 ( )