The correct sentences that use a semicolon appropriately are:
I have a big test tomorrow; I can't go out tonight.
This sentence correctly uses a semicolon to connect two independent clauses.
The other options do not correctly use a semicolon.
Responses
I have a big test tomorrow; I can't go out tonight.
I have a big test tomorrow; I can't go out tonight.
have a big test tomorrow, I can't go out tonight.
have a big test tomorrow, I can't go out tonight.
I have a big test tomorrow; and I can't go out tonight.
I have a big test tomorrow; and I can't go out tonight.
have a big test tomorrow: I can't go out tonight.
1 answer
The correct sentences that use a semicolon appropriately are:
I have a big test tomorrow; I can't go out tonight.
This sentence correctly uses a semicolon to connect two independent clauses.
The other options do not correctly use a semicolon.