During the dialogue with Chinese youth in Shanghai, President Obama announced the U.S. would expand the number of students to study in China to 100,000 _______ ties between the two countries.
| A．strengthening | B．strengthened | C．to strengthen | D．to be strengthened |
How dirty the floor is! You should have someone _____ it at least twice a day.
| A．mop | B．to mop | C．mopping | D．mopped |
Our neighbor offered to look after our baby while we were away, ____ was very kind of her.
| A．it | B．that | C．which | D．such |
Never judge a man by his _____ alone — you might be fooled by what he looks like.
| A．appearance | B．character | C．intelligence | D．application |
However busy he is, the young man will go to the country to see his granny _____.
| A．every few days | B．every a few days | C．each few days | D．each a few days |
The mascot cost me only 2 dollars while in fact it was worth twice as much. What a ___!
| A．bargain | B．poster | C．glory | D．medal |