Do you know ______in Japan?
| A．when nuclear(核) accidents happened | B．when did nuclear accidents happen |
| C．when nuclear accidents happen | D．when do nuclear accidents happen |
China ________ the WTO in 2001.
| A．join | B．joins | C．joined | D．joining |
［11·泸州中考］—How is it going? —________
| A．No, I don’t think so. | B．Yes, I’d love to. |
| C．It’s great. | D．It’s a pleasure. |
The ________ song can help us be ________.
| A．relaxing; relaxed | B．relaxing; relaxing |
| C．relaxed; relaxing | D．relaxed; relaxed |
Don’t work under the sun in this ________.
| A．cold | B．hot | C．heat | D．cool |
—Where are the Greens?
—They are in Guilin ________ vacation.
| A．in | B．at | C．of | D．on |