Along with the letter was his promise _______ he would visit me this coming Christmas.
| A．which |
| B．that |
| C．what |
| D．whether |
matters most in learning English is enough practice．
| A．What | B．Why | C．Where | D．Which |
It long before we the result of the experiment．
| A．will not be；will know | B．is；will know |
| C．will not be；know | D．is; know |
－I wonder do you think of Bob?
－Selfish but honest．
| A．how | B．what | C．if | D．whether |
They couldn’t stand like that．
| A．be treated | B．to treat | C．treating | D．being treated |
Finding information in today’s world is easy．The is how you can tell if the information you get is useful or not．
| A．ability | B．competition | C．challenge | D．knowledge |