I know _________ I promised to take you to dinner, but I won't finish working until ten o’clock.
I wanted to buy a comic book for my cousin,but there was_______ left in the shop.
The old lady has some problems_______her hearing.Please speak a little louder.
He never____learning English.That was why he was successful at last.
—Would you mind________the window? It’s a bit cold. —_________.
He explained________why he didn’t come to our party yesterday.