1.If it rains, we had to cancel the meeting scheduled for today
2.After she had had lunch, she had taken a nap
1.If it rains, we had to cancel the meeting scheduled for today
⇒Thiếu will, had→have
2.After she had lunch, she had taken a nap
⇒taken→take
1.If it rains, we had to cancel the meeting scheduled for today
vì đây là câu đk loại 1, từ đúng: will
2.After she had had lunch, she had taken a nap
từ đúng: took