New Zealand is home to around 16，000 bird ____，double the number in all Europe.

What are these in English—____ .

The dictionary doesn’t belong to your brother ____, but it belongs to me

______ do you think ____ the environment (环境) in Yichun—It’s pretty good.

Only after he had spent several nights working on the math problem _______ to wonder whether the problem was wrongly set.