Nowadays it is difficult for people to find ______ work in the world because _________ economic situation is very serious.
| A．/; an | B．/; the |
C．the; the | D．a ; / |
____ finishing his homework, he went to play basketball.
| A．In | B．Upon | C．At | D．With |
He tried to invite some famous pop stars to sing in the concert ______, but failed.
| A．with free | B．for freely | C．with freedom | D．for free |
_____ we have finished the course, we shall start doing more revision work.
| A．For | B．Ever since | C．Now that | D．By now |
I don’t like the way ________ Mr. Wang treats his children.
| A．/ | B．in that | C．of which | D．which |
I meant to help him . ______， he didn’t accept my offer.
| A．But | B．As a result | C．Therefore | D．However |