The little boy ___ his hiding place when coughed.
| A．gave off | B．gave away | C．gave up | D．gave in |
—Can you tell me how many people will go to the exhibition?
—Of course．About 3,000 students from 15 schools ______, and I think two-thirds will come．
| A．invite | B．will invite |
| C．have been invited | D．had been invited |
______ the price of gas is starting to come down, many people are choosing to take the bus or the train instead．
| A．Even though | B．Now that |
| C．In case | D．As though |
______ Tina cares about most is whether the company provides opportunities for further education．
| A．Which | B．What |
| C．That | D．Why |
______ the sight was impressive on the top of the mountain, I made an effort to climb onto it．
| A．To know | B．Know |
| C．Known | D．Knowing |
We still have some other ways to solve the problem．You ______ be worried．
| A．mustn’t | B．can’t |
| C．don’t have to | D．may not |