--Pity you missed the lecture on nuclear pollution.
-- I ___ it, but I was busy preparing for a job interview.
| A．attended | B．had attended | C．would attend | D．would have attended |
________ from the top of the tower, the south foot of the mountain is a sea of trees.
| A．Seen | B．Seeing |
| C．Have seen | D．To see |
________ at my classmates' faces, 1 read the same excitement in their eyes.
| A．Looking | B．Look |
| C．To look | D．Looked |
Though ________ to see us, the professor gave us a warm welcome,
| A．surprise | B．was surprised |
| C．surprised | D．being surprised |
The first snow didn't fall until February in our province this year，__________ was unexpected.
| A．it | B．which |
| C．that | D．what |
Not only __________ interested in football but __________ beginning to show an interest in it.
| A．the father himself is; all his children are |
| B．the father himself is; are all his children |
| C．is the father himself; are all his children |
| D．is the father himself; all his children are |