That day I saw some parents____at the back of the classroom,___to the teacher .
______the problem clearly, Mary has to look for lots of information.
Thank you for your______,otherwise I couldn’t finish the work on time.
—Would you mind opening the door? — ______ .
---Do you still remember the first day we met at school? --- Very clear _____ it was yesterday.
Would you be kind enough to _________ your music?The baby is sleeping.