Some of my friends are interested in science, but none of them can tell ________.
| A．when UFOs appeared next time |
| B．that horses know the way or not |
| C．where was this kind of plant found |
| D．how elephants communicate |
—My new watch is nice．I like ________．
—Yes，it’s nice．And I want to buy ________，too．
| A．it；one |
| B．one；it |
| C．one；one |
| D．it；it |
—________ does it take to get to the club？
—About 20 minutes．
| A．How far |
| B．How long |
| C．How many |
| D．How often |
—Would you like to go shopping with me，Carmen？
—I’d love to，________ you don’t want to go alone．
A．until
B．before
C．if
—What did you do yesterday？
—I ________ at home and ________ a movie on TV．
| A．stay；see |
| B．stayed；saw |
| C．stayed；sees |
| D．stay；saw |
—Why do you always look so tired？
—Because our teachers ________ us do a lot of homework after school．
| A．make |
| B．want |
| C．ask |
| D．hope |