____hard ,and you will make greater progress.
| A．If you study | B．Study | C．Studying | D．To study |
--- Hi, Tracy, you look tired.
--- I’m tired. I ______ the living room all day.
| A．painted | B．had painted | C．have been painting | D．have pained |
Large quantities of fish _______ in the river in the past few days.
| A．were caught | B．was caught | C．has been caught | D．have been caught |
________ the help from the doctor, the little boy _________ his life.
| A．Apart from; should have lost | B．Without; could lose |
| C．Except for; would have lost | D．But for; would have lost |
Criticism and self-criticism is necessary it helps us to correct our mistakes.
| A．so | B．however | C．therefore | D．in that |
--- Bob isn’t feeling very well. He has caught a cold.
---Everybody seems to have ________ because of the sudden change of the weather.
| A．one | B．it | C．that | D．another |