初二上册英语.do you want-----,sir?-that's all,thanks.

初二上册英语.do you want_____,sir?-that's all,thanks.
a,something else b,else something c,anything else d,else anything
2.如果树减少了,沙尘暴就会增多.if there are ______ trees,there will be______sandstorms
3.he was ill.we should do something______him
a,to help
b,help
c,helping
d,helped
1,3题必须讲明原因