Fill in the blank with the most appropriate modal:
Look at the long queue outside Gupta Sweets. Their jalebis ______ be really good.
Answer & explanation
Correct answer: option 1
The correct answer is Option (1) → must
Complete sentence: Look at the long queue outside Gupta Sweets. Their jalebis must be really good. A long queue shows that many people want the jalebis. So the speaker is almost sure they are good.
| Option | Meaning and use | Example |
|---|---|---|
| (1) must (answer) | must + base verb (the simple form, like go or eat): we are almost sure that something is true | Rani has topped the class again, so she must be a hard worker. |
| (2) can’t | we are sure something is not true | He can’t be ill, as he just played two football matches. |
| (3) needn’t | something is not necessary | You needn’t cook tonight, as we are eating out. |
| (4) shouldn’t | advice not to do something | You shouldn’t eat so many sweets before dinner. |