Lisa is studying abroad． She hasn't decided back to China because of the COVID﹣19． （ ）
| A． |
if she flies |
B． |
whether she will fly |
| C． |
when will she fly |
D． |
how will she fly |
相关试题
We can search the Internet for all kinds of information．
But you can't believe ________ on the Internet．（ ）
A．somethingB．anythingC．everythingD．nothing
Those are Jenny's parents．
Really？ They________young．（ ）
A．lookB．tasteC．smellD．sound
We should talk ________in public places． It's very impolite to shout．（ ）
A．loudlyB．quietlyC．slowlyD．quickly
B．
D．
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