摘要： necessary
网址：http://m.1010jiajiao.com/timu3_id_2743263[举报]
_______ necessary for us _______ English well.
A.It’s; to learn B.It’s; learn C.That’s; learn
_______ necessary for us _______ English well.
A.It’s; to learn B.It’s; learn C.That’s; learn
查看习题详情和答案>>
_______ necessary for us _______ English well.
| A．This is; to learn | B．It’s; to learn |
| C．It’s; learn | D．That’s; learn |