问题

Who ________a theory about black holes?

A:slow down
B:put forward
C:absorb into
D:make room for

正确答案是：

同类题型

. Mr. Smith ______ me to buy several_______ eggs for the party.

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he development of modern society, E-mail as wellas telephonesan important part in dailycommunication.

One reason for her preference for city lifeis ___________ she can have easy access to places like shops and restaurants