Question

Fill in the blanks with appropriate modal auxiliaries...... He____pay his dues nefore he can be allowed to sit at the examination

Answer 1

Ans: He could pay his dues before he can be allowed to sit at the examination.

So "could" is appropriate here .

HOPE IT WOULD HELP

Answer 2

HEY MATE YOUR ANSWER IS HERE.

He should /must pay his dues before he can be allowed to sit at the examination.

HOPE IT HELPS YOU OUT