Question

1. Mrs. Bose opened her umbrella (conjunction ) it began to rain. 2. You will be late (conjunction ) you hurry. 3. The boy jumped with joy (conjunction ) he saw the new bicycle. 4. my father cut his thumb ( conjunction ) he was cutting an apple. 5. We could not finish in time ( conjunction ) we tried our best. [ unless, When, While, Because,though ]​

Answer 1

Answer:

1. Mrs Bose opened her umbrella when it began to rain.
2. You will be late unless you hurry.
3. The boy jumped with joy when he saw the new bicycle.
4. My father cut his thumb while he was cutting an apple.
5. We couldn't finish this time do we tried our best.

Explanation:

in the first sentence because and when can be used according to the context. :)