Whenever you are to walk on the ice,__________ that it is solid and safe enough.
| A．examine | B．check | C．try | D．make |
The international agreement, intended ________children not to smoke and help people kick the habit, was signed on February 27.
| A．to encourage | B．encouraging | C．for encouraging | D．encourage |
I am sorry. I can’t your opinion about this question.
| A．argue | B．share | C．have | D．agree |
This is really an exciting match. the game?
| A．Who do you think will win | B．Whom do you think will win |
| C．Do you think who will win | D．Do you think whom will win |
—How can I get to the city if I drive from the airport?
—Go on the highway and follow the to the city.
| A．designs | B．ways | C．sights | D．signs |
To their surprise, Tom and his pet dog were here a moment ago are gone now.
| A．that | B．who | C．which | D．those |