A: Could I clean the bedroom for you ?
B: No, thanks. I ______ it myself.
| A．cleaned | B．have cleaned |
| C．was cleaning | D．had cleaned |
Is there ____ European wolf in _____ zoo?
| A．a, the | B．an ,a | C．/ ,the | D．an, an |
Which of the following words is/ pə’l ʊt /？
| A．print | B．pollute | C．point | D．polite |
______ students in our city will take part in the writing composition next month.
| A．Two hundred | B．Hundreds |
| C．Two hundreds | D．Hundred |
220,309 should be read____________．
| A．two thousand and twenty thousands three hundred and nine |
| B．two hundred and twenty thousand and three hundred and nine |
| C．two hundred and twenty thousands and three hundred and nine |
| D．two hundred and twenty thousand three hundred and nine |