Scientists have many theories about how the universe into being.
| A．came | B．was coming | C．had come | D．would come |
The book is primarily ___________ Soviet-American relations during the Cold War.
| A．concerned about | B．concerned with | C．concerned for | D．concerned in |
Each girl present at the party was wearing a flower in the hair, which _______ their beauty.
| A．added | B．added up | C．added to | D．added up to |
He decided to _________ the club for old men and play chess there.
| A．take part in | B．join in | C．attend | D．join |
According a recent report, there are _________ to be 1.35 billion people in China in 2017.
| A．decided | B．determined | C．reported | D．estimated |
In the old days, some wealthy people killed animals just for the ______ of it.
| A．joy | B．pleasure | C．fun | D．play |