题目内容
(请给出正确答案)
[主观题]
A.when purchasingB.when purchasedC.when purchaseD.which purchased
A.when purchasing
B.when purchased
C.when purchase
D.which purchased
答案
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A.when purchasing
B.when purchased
C.when purchase
D.which purchased
第1题
A.When they are born.
B.When they are ten months old.
C.When they are one year old.
D.When they are two years old.
第5题
I really don't know ______.
A.when started
B.when to start
C.when start