______ is known to all, working in such a place needs great determination.
| A．It | B．That | C．Which | D．As |
Pat decided to ______ eating fast food to lose some weight and keep fit.
| A．look forward to | B．break up with | C．come up with | D．cut down on |
Sorry, we don’t allow ______ in the lecture room.
| A．to smoke | B．smoke | C．smoking | D．to smoking |
—Would you prefer to attend a private tutor?
—I’d rather _____ for a class than _____ a tutor.
| A．sign up; have | B．to sign up; have |
| C．sign up; to have | D．to sign up; to have |
The father as well as his daughters _____ skating on the freezing river every Sunday afternoon.
| A．go | B．goes | C．is going | D．are going |
Martin was_____ to win the 100-meter race, but he fell to the ground and missed the chance.
| A．likely | B．possible | C．probable | D．maybe |