当对方帮了你的忙后,你应该说 A. OK B. Thanks ! C. How are you ?
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 . .