Which underlined words form a dependent clause?

whoever wants to go shopping can board the bus now.

while we sang in the choir, our brother watched from the audience.

evie jumped high into the air.

the house with the tall fence stood on a busy corner.

2.what is the function of the noun clause in this sentence?

what she should do next was kam's most urgent question.

indirect object

direct object

appositive

subject

3.in which revision is clause 1 dependent on clause 2?

clause 1: padmi looks frantically for her pen

clause 2: her sister calmly writes with it

padmi looks frantically for her pen, and her sister calmly writes with it.

while padmi looks frantically for her pen, her sister calmly writes with it.

padmi looks frantically for her pen; her sister calmly writes with it.

padmi looks frantically for her pen as her sister calmly writes with it.

plz asap i will mark brainliest to the person that answers