You never know how much difficulty we _________ such a dishonest man promise to change last time.
| A．having had | B．have had |
| C．had having | D．had had |
—How long have you _______ the iPad?
—Only two days. I will return it to Jack this afternoon.
| A．bought | B．had | C．borrowed | D．kept |
This August, China will celebrate _______ anniversary (周年纪念日) of the victory of the Anti-Japanese War.
| A．seventy | B．seventies |
| C．seventieth | D．the seventieth |
To make our environment ________ polluted, everyone needs to take more action.
| A．less | B．more | C．fewer | D．most |
The film Speed and Passion 7 is so exciting that _______ of the children wants to miss it.
| A．nobody | B．each | C．none | D．all |
It’s very cold outside. Please remember to sleep with the windows ________.
| A．open | B．opened | C．close | D．closed |