We mustn't play with fire. It_______ be very dangerous
| A．must | B．can |
| C．could | D．will |
He was glad that he succeeded_________ the maths problems.
| A．in working out | B．working out |
| C．to work out | D．work out |
They are going to _________ for the school basketball team.
| A．try in | B．try on |
| C．try with | D．try out |
This pair of trousers looks nice______Sandy because she looks nice_____blue.
| A．on, in | B．in, on | C．for, on | D．in, for |
The old man______ cancer. His _______made us very sad.
| A．died from,dead | B．died of,dying |
| C．died from,dying | D．died of,death |
_______ you have problems, you can call me.
| A．Whatever | B．Until | C．Whenever | D．While |