阿摩線上測驗
19. The tips of some undersea mountains _____ islands in the middle of the ocean.
(A) forming
(B) form
(C) they form
(D) to form
答案：登入後查看
統計： A(33), B(125), C(0), D(0), E(0) #2856569
統計： A(33), B(125), C(0), D(0), E(0) #2856569
詳解 (共 2 筆)
Bluuue
#6108805
缺一個動詞
所以選B
0
1
