I’d like to go swimming _______ the water is too cold.
| A．if | B．for | C．unless | D．whether |
We should study the new traffic rules and 1earn how___________ ourselves．
| A．protect | B．to protect | C．protecting | D．protected |
--- Does Ted tell you if he _______________ next Sunday?
--- No, he does’t. But if he ________________, I’ll give you a ring.
| A．will come, will come | B．comes, will come |
| C．will come,comes | D．comes, comes |
Tom ______________ sending e-mails _____________ letters．because it is faster.
| A．prefer to, writing | B．prefer, to write |
| C．prefers, to writing | D．prefers to , write |
I___________ some clothes to charity because they are too small for me.
| A．take after | B．hang out | C．give away | D．put off |
Nobody is perfect, but everyone is different ______________ others.
| A．from | B．of | C．with | D．in |