Question

_____you have taken all this trouble you__be joking(modal auxiliaries)​

Answer 1

Answer:

1)

2) must

sorry i didnt know first one..

here is your answer hope it will help

Answer 2

Answer:

a. Should

b. must

Explanation:

Should you have taken all this trouble, you must be joking.

Should, must are the modal auxiliaries verb. Should is used to give advice or recommendations and talk about obligations and expectations. Must is used to express obligations and duties or to emphasize the necessity of something.

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