Select the option that expresses the given sentence in passive voice.
Buy some fruits and sweets for the children before visiting them.
1
Let some fruits and sweets be bought for the children before visiting them.
2
You should buy some fruits and sweets for the children before visiting them.
3
Some fruits and sweets need to be bought for the children before visiting them.
4
Let us buy some fruits and sweets for the children before visiting them.