Select the clause from the drop-down menu to correctly complete this sentence.
I never know
A,what will happen on vacation.
Bwhat will happen on vacation.
Cwhat will happen, on vacation.
D,what will happen, on vacation.
I never know
A,what will happen on vacation.
Bwhat will happen on vacation.
Cwhat will happen, on vacation.
D,what will happen, on vacation.