Nobody knows ______ yesterday.
| A．how the accident happens |
| B．how does the accident happen |
| C．how the accident happened |
| D．how did the accident happen |
相关试题
Let's buy the blue car. It's than the yellow one and it's more beautiful.
| A．cheap | B．cheaper | C．cheapest | D．the cheapest |
-
-Not bad.
| A．How far is it? | B．What's he doing? |
| C．How's it going? | D．Where is he going? |
Which of the following is the traditional food that Chinese people eat for the Spring Festival?
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