There are several research centers in China________a certain disease called Bird Flu is being studied.
A: which
B: where
C: when
D: what
A: which
B: where
C: when
D: what
举一反三
- There are several research centers in China a certain disease called bird flu is being studied.
- There are several research centers in China ______ certain diseases are being studied.
- This is the place I had ever studied. A: what B: where C: which D: how
- 5W1H分别是？（） A: what、where、when、who、which、how B: what、where、when、why、which、how C: why、where、when、who、which、how D: what、why、when、who、which、how
- 新闻5W是指( )。 A: WHO WHERE WHAT WHICH WITH B: WHAT WHEN WHO WHERE WHY C: WHAT WHEN WHO WHICH WHY D: WHO WHERE WHAT WHEN WITH