27. The boy was busy doing his homework, only_____once in a while to look out of the window.
The performance of the host, _____ to please the audience and draw their attention, was greeted with a cold silence, however.
Some of the schools in Shanghai have moved one step closer to _____ with the global education community.
The teacher asked more _____ to prevent the students’ eyes from being injured.
The beach is so beautiful that it is worthwhile, I think, _____ for a short holiday.
“Well, I’ll tell you a secret ...” said the boy, with his mouth almost _____ my ear.