—All the isatis root(板蓝根) is sold out!—People are crazy! experts say there is no use eating isatis root to preventH7N9, some people still don’t believe it.
I think math is ____________than English.
Which one of these do you want? ___________ . Either will be OK.
Here are some tomatoes . You need to ________ .
I hope there ________ a robot in my home.
She has the flu(流感), so she can’t come to the party . .