I ________ him in time, otherwise he would have fallen off the bike.
| A．had supported | B．supported |
| C．have supported | D．support |
—Can you tell me how many people will go to the exhibition?
—Of cours e. 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 |