The scientists put all their hearts into________(medicine)research.
— Turn off the radio, dear. Baby is sleeping. — There is no need. He __ _____(wake) up.
---Has the teacher finished marking the exam papers? --- Sorry, I don’t know. He ______________(mark) them in the office in the afternoon.
If you go with me, you will enjoy the beautiful __________ (风景)of Venice.
She will never forget the __________ (please) experiences while working there.
The climbers tried their best and reached the top of the mountain _____________ (succeed).