摘要： Getting to other planets or to the moon many problems. a. involve b. involves c. involving d. to involve
网址：http://m.1010jiajiao.com/timu3_id_2913837[举报]
. Getting to other planets or to the moon _____ many problems.
A. involve B. involves C. involving D. to involve
查看习题详情和答案>>
Getting to other planets or to the moon _____ many problems.
A.involve B. involves C. involving D.to involve
查看习题详情和答案>>
Getting to other planets or to the moon________many problems.?
A.involve B.involves C.involving D.to involve?
查看习题详情和答案>>. Getting to other planets or to the moon _____ many problems.
|
A．involve |
B．involves |
C．involving |
D．to involve |
查看习题详情和答案>>