The old couple walked rather slowly, and could be seen, from time to time, to stop and rest, ________ out to sea.
| A．to be staring | B．stared |
| C．having stared | D．staring |
The performance of the host, _____ to please the audience and draw their attention, was greeted with a cold silence, however.
| A．had intended | B．intended |
| C．being intended | D．to intend |
Some of the schools in Shanghai have moved one step closer to _____ with the global education community.
| A．being connected | B．connect |
| C．having connected | D．be connected |
The teacher asked more _____ to prevent the students’ eyes from being injured.
| A．to do | B．done | C．to be done | D．being done |
The beach is so beautiful that it is worthwhile, I think, _____ for a short holiday.
| A．of going | B．to be going |
| C．your going | D．you to go |
--- Would you be _____ lend me your bicycle?
--- Sure.
| A．so kind as to | B．kind enough as to |
| C．very kind to | D．so kind to |