Can you make sure ______ the gold ring?
| A．where Alice had put | B．where did Alice put |
| C．where Alice has put | D．where has Alice put |
We went to Canada to travel and my cousin ___ as our guide.
| A．played | B．showed | C．acted | D．performed |
Gun control is a subject ___ Americans have argued for a long time.
| A．of which | B．with which | C．about which | D．into which |
——How about your new school?
——I couldn’t feel _____ about it. All my teachers are very kind and helpful.
| A．better | B．worse | C．best | D．worst |
He is the only one of the people here who ____ how to operate the computer.
| A．knows | B．know | C．had known | D．known |
We went right round to the west coast by ___ sea instead of driving across ____ continent.
| A．the, the | B．/, the | C．the, / | D．/,/ |