问题

What a shame ! It turned out to be a failure.— We missed a process,_______ we could not succeed in the experiment

A:and otherwise
B:and therefore
C:or perhaps
D:but luckily

正确答案是：

同类题型

Take some time to _______ your successes and failures

k together to achieve our commonpurpose：_________worldthat is safer, cleaner and healthierthan one we found．

He is a strict but kind-hearted father,the children respect but are afraid of.

下列各句中，表达得体的一句是（）

Must I finish the work today — No, you _____.