用所给词的适当形式填空（5分）

小题1:Would you please look after the little boy? His parents ____________ (not be) at home now.

小题2:I seldom eat sweets because they are bad for my ____________ (tooth).

小题3:Amy is very busy and doesn’t have much time ____________ (play) games. 

小题4:Kitty is in her bedroom. She ____________ (lie) on the bed and watching TV.

小题5:Mr. Wu teaches ____________ (they) Chinese this year.

黄芪与茯苓配伍，茯苓能增强黄芪补气利水的功效，这种配伍关系属于（）。

A.相须

B.相使

C.相畏

D.相杀

E.相恶