science and technology 谓语动词单数还是复数
science and technology 谓语动词单数还是复数
science and technology的谓语是单数还是复数?
scince and technology 做主语谓语动词用单数还是复数
and 连接两个不定式 谓语动词用单数还是复数?
and连接两个不定式,谓语动词用单数还是复数?
both...and...的谓语动词是单数还是复数?
动名词谓语动词用单数还是复数
谓语动词用单数还是复数
one and a half 加复数名词后面谓语动词用单数还是复数
One and a half +复数名词作主语时,谓语动词用单数还是复数
one and a half years 谓语动词用单数还是复数?one year and a
不可数名词的复数,谓语动词用单数还是复数?