Mr. Black has ___________China for nearly two months.
A:been to
B:come to
C:gone to
D:been in
果蝇主要以腐烂的水果为食,是遗传学中常用的实验动物.分析回答:
(霞)光:洁白无____ 目不____接 ____想
(嘹)亮:眼花____乱 ____天 ____阔
请根据图象解决下列问题: