1.The dish gives off a terrible smell,It must be ____
2个回答

1.worse

adjective

of poorer quality or lower standard; less good or desirable

(在质量、品德等方面)更坏的,更差的,更糟的

the accommodation was awful and the food was worse.

住宿条件很差,而伙食更糟.

2.down

用来养活那个生病的男孩的费用降到了20000

其实up也可以,意思是那个男孩的费用增加到20000,根据语境吧

3.a ,in

4.is joining