Although the "gap theory" is not as popular as it used to be, there is still a significant body of Bible expositors who teach that this theory is the best way to deal with the alleged long ages of Earth history. For example, the Scofield Bible says in its note on Genesis 1:1:

"So teach us to number our days, that we may apply our hearts unto wisdom" (Psalm 90:12).

"And when he polled his head, (for it was at every year's end that he polled it: because the hair was heavy on him, therefore he polled it:) he weighed the hair of his head at two hundred shekels after the king's weight" (II Samuel 14:26).

"Therefore we are buried with Him by baptism into death, that like as Christ was raised up from the dead by the glory of the Father, even so we also should walk in newness of life" (Romans 6:4).

"Much every way: chiefly, because that unto them were committed the oracles of God. For what if some did not believe? shall their unbelief make the faith of God without effect?" (Romans 3:2-3).