问题

Having an outdoor meal is always fun, but it can also be damaging to the planet if ______.

A:planned not carefully
B:not planning carefully
C:not planned carefully
D:not to be planned carefully

正确答案是：

同类题型

The kind old lady offered to ________the poor homeless stranger.

_____ the flight to New York will be delayed is ____I’m especially worried about.

It’s not ______ to ask her age when you meet a girl for the first time.

_____ life exists on any other planet in the solar system still remains a question.

─ basketball is that under the desk ─ I think it’s my brother’s.