I couldn’t follow what he said _______, but at last I understand.
| A．for the first | B．at first | C．the first | D．at the first |
Bill often spends as much money as he has________ science books.
| A．bought | B．to buy | C．buying | D．on buying |
-- Do you know ____________________ this afternoon?
-- I'm not sure, but I'll tell you as soon as she_____________________.
| A．how will Betty arrive; starts |
| B．how Betty will arrive; will start |
| C．what time will Betty arrive; will start |
| D．what time Betty will arrive; starts |
--Mr. Lee__________to a student when I entered the classroom this morning.
---He is very patient________ he is young.
| A．talking; but | B．talks; though |
| C．was talking; though | D．talked; however |
After running a 1000-metre race, he was________.
| A．out of breathe | B．breathed heavily |
| C．took a deep breath | D．out of breath |
The country life he was used to ____ greatly since 1992.
| A．change | B．has changed |
| C．changing | D．have changed |