it't exciting_____,but's also verydifficult.he always has a lot of new_____to learn.

it't exciting_____,but's also verydifficult.he always has a lot of new_____to learn. It must have rained yesterday,( A.didn't it B.did it C.must it D.mustn't it It won't rain tomorrow,——?A、will it B、is it C、isn't it D、won't itA、will it B、is it C、isn't it D、won't it The ground is wet ,so it must have rained last night,（ A hasn‘t it B didn’t it C mustn‘t it D doesn’t it Isn't it cute?_______I like it.AIsn't it cute?_______I like it.A.No,it isn't B.No,it is. Isn't it cute?______l like it.A.Isn't it cute?______l like it.A.No,it isn't B.No,it is. What beautiful weather,_____?a.is it b.isn't it c.won't it d.will it 选那个? Nothing he did was right,_ A.did it B.wasn't it C.didn't it D.was it It may be snowy tomorrow,( A.may not it B.isn't is C.may it D.mightn't it It is impossible,____?a.is it b.isn't it C.will you D.won't it what a fine spring day,( A.isn't it B.does it C.won't it D.will it a fence needs the support of three stakes,___A needn't it B doesn't it C shan't it D isn't it Recycle doesn't mean to use again it?_________A.No,it doesn't.B.Yes,it is.C.Yes,it does.D.No,it isn't. Isn't he cute?____________.I like it very much.A.Yes,it isn't B.No,it isC.Yes,it is D.No,it isn't Isn't the food delicious ---------- i like it A No,it is B Yes,it is't C No,it isn't D Yes ,it It must be Jim's,_____?A.mustn't it B.needn't it C.isn't it D.be not it -the sun isn't round,is it?-_____a.yes,it isn't b.no,it is c.yes,it is d.no,it isn't I don't think it is useful for me to finish the task ----?A can it B is it C can't it D isn't it 为什么