---- How did it __________ that you made such a silly mistake?
---- I myself haven’t figured it out yet.
| A．come up | B．come about |
| C．come across | D．come on |
In the world today, local conflicts and terrorist attacks are constantly .
| A．dying out | B．bursting out |
| C．running out | D．giving out |
To everyone’s surprise, the CEO fled to the U.S, his company in a mess.
| A．left | B．leaving | C．to leave | D．having left |
A research found that both intelligence and wealth were to education.
| A．similar | B．contrary | C．apparent | D．relative |
Half a century ago, parts of the Thames were “biologically dead” because of the pollution.
| A．declared | B．imagined | C．sensed | D．marked |
—Glad to see you again! I quite appreciate your new haircut.
—. Well, I like things that are in.
| A．Of course | B．Never mind | C．Thank you | D．Forget it |