several million要不要加S?
several million要不要加S?
several后面加hundred 和million 是咋变 在哪加s 加了of呢
million什么时候加S
need要不要加s
关于several million,many million
“million”哪些时候加“s”?
several ______(thousand) dollars thousand要加s吗?several不是加可数名词
hundred of 、thousand of、million of 、billion of 如果运用在句子中,要不要加
several million people这个,
some sald 要不要加s
fish到底要不要加s
collect stamp后要不要加s