The teacher explained a second time, the students should have difficulty in doing the experiment.
| A．although | B．in case | C．so that | D．but |
As for your complaint about the defective shoes, sir, I will speak to the person _______ and ask him either to give you another pair or to give your money back.
| A．in charge | B．in return |
| C．in search | D．in trouble |
April Fool’s Day is an occasion when people rack their brains to make a fool of others. But what if they play a ______ trick on you? Will you lose your temper?
| A．mean | B．straight |
| C．stubborn | D．magical |
To make sure the program would go smoothly, the members in the club met on a_______ basis, discussing every possible problem in detail.
| A．generous | B．gradual | C．grateful | D．regular |
While tidying the belongings of my grandpa in his house, I _______ the medals he won in the army.
| A．went through | B．turned to | C．cared about | D．dug out |
Everything seemed to be settled. But beyond everyone’s expectation, another new problem ______ at the end of the meeting.
| A．came about | B．came up |
| C．came across | D．came to |