Identify the underlined word or phrase that need correction

Question 21. Lan was (A) in a difficult situation (B), so I agreed lending (C) her (D) some money.

Question 22. He seldom travels (A) by bicycle (B) before (C) he went (D) to Vietnam.

Question 23. I used to eating (A) ice cream when (B) I was (C) a child (D).

Question 24. After he received (A) my postcard (B), he phoned (C) me immediately (D).

Question 25. Could (A) you please stop (B) to make (C) so much noise (D)?