2. He must study hard to get good marks.

Must he study hard to get good marks?

What must he study hard to get good marks?

Which must he study hard to get good marks?

Where must he study hard to get good marks?

From where must he study hard to get good marks?

Why must he study hard to get good marks?

When must he study hard to get good marks?

How many must he study hard to get good marks?

How many times must he study hard to get good marks?

At what time must he study hard to get good marks?

How much must he study hard to get good marks?

👉