both ...and...后面的谓语动词是are 还是就近原则?how long have you?a.borrowed the book b.bought the bike c.been back d.received the lettermany-trees should be planted on the mountainsa.thousand b.thousand of c.thousands d.thousands of
2019-05-03
both ...and...后面的谓语动词是are 还是就近原则?
how long have you_?
a.borrowed the book b.bought the bike c.been back d.received the letter
many-trees should be planted on the mountains
a.thousand b.thousand of c.thousands d.thousands of
优质解答
are C.how long 表示时间延续,只有选C D
are C.how long 表示时间延续,只有选C D