In the experiment we kept a watchful eye __________ the development and recorded every detail.
. She asked the man _______ it was true he had been a soldier before.
It is said that our headmaster is going to _______ the students _______ as party members in the meeting hall next week.
—How do you like the play? —_______interesting than expected.
--- Lucy doesn’t seem to be what she was. --- No.______ so much in the war has made her more thoughtful.
---Thanks for your help, but can you do me one more favor, please? --- _______, sir.What's it then?