Itisratherthatwestilldonotknow

It is rather ______ that we still do not know how many species there are in the world today.

A．misleading

B．embarrassing

C．boring

D．demanding

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相关试题

— Have you got any oranges and apples?
— ____

A．Yes， madam， on the second shelf over there.

B．The oranges are very cheap.

C．You like apples， don't you?

D．Of course， we have some fruits.

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— I'll meet you outside the cinema in an hour， OK?
— ____.

A．No， 2 hours later	B．Yes， that's a good idea
C．OK， but I can manage	D．No， I don't think so

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— Wasn't it Dr Wang who spoke to you just now?
— ____.

A．I didn't know he was

B．Yes， it was

C．No， he wasn't

D．Yes， he did

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— I wonder if I could use your mobile phone.
— ____.

A．I wonder how	B．I don't wonder
C．Sorry， it's out of order	D．No wonder， here it is

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— Goodbye! I'm glad ____ you.
— ____， too.

A．to see; I

B．to have seen; Me

C．to see; Me

D．seeing; I

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