I’m very sorry. I haven’t brought you the pen you lent me yesterday.—-Forget it. You not return it to me as I have got an extra one.

He devoted himself _______ to his research and got many achievements

__________ is always the husband who __________ first when a quarrel comes about between the young couple.

We are a little worried because we _____the ground as a leader in the field of IT with the others speeding updevelopment

Is _____he said really true?