All the citizens, young and old, walked and sang, beautifully _____ in new clothes of all kinds, _______ the success of their football team.
| A．dressing; celebrating | B．wearing; to celebrate |
| C．dressed; celebrating | D．worn; celebrated |
The retired man donated most of his savings to the school damaged by the earthquake in Yushu, _______ the students to return to their classrooms．
| A．enabling | B．having enabled |
| C．to enable | D．to have enabled |
He spent at least as much time reading as you online yesterday.
| A．had to chat | B．did chatting |
| C．do chatting | D．had chatted |
--- Why does the lake smell terrible?
---Because large quantities of water .
| A．have polluted | B．is being polluted |
| C．have been polluted | D．has been polluted |
The book didn’t children probably because the author employed too many scientific terms in it.
| A．appeal to | B．apply to | C．intend to | D．lead to |
Had she her promise, she would have made it to Yale University.
| A．lived up to | B．looked up to | C．kept up with | D．come up with |