Question 25: Mary’s children are used to _____________ up after school

Question 25: Mary’s children are used to _____________ up after school every day.

• A. picking
• B. pick
• C. be picked
• D. being picked

be used to V-ing: quen với điều gì

=> Câu mang nghĩa bị động  -> be used to being + Vp2: quen với việc được làm gì