A:2n5m
B:2m5n
C:n5m
D:m5n
(-1)18的绝对值是( )
—Bill, can I use your dictionary? I left mine at home.—Of course you________. Glad to help you.
按课文《梅花魂》填空:
旁的花,大抵是春暖才开花,她却不一样,愈是寒冷,愈是风欺雪压,花开得愈____,愈____。她是最有____、最有____、最有____的!