Parents shouldn’t do all the things for their children because too much ______ prevents children’s development.
| A．protection | B．pollution | C．exploration | D．application |
–How can I improve my study in the last thirty days?
--________ listening to the teacher carefully in class. This is the most efficient way!
| A．By | B．On | C．Past | D．Across |
To do some voluntary work for the 2nd Youth Olympic Games is ______ excellent chance for us to serve our hometown—Nanjing.
| A．a | B．an | C．the | D．不填 |
–-Do you know about Han Han?
--Yes, he ______ a playful student when he was in secondary school, but now he is one of the most popular writers in China.
| A．was used to be | B．used to be | C．was used to being | D．was used for |
There’s too much noise outside. _________ of us two can fall asleep.
| A．All |
B．Both |
C．None |
D．Neither |
Our teacher asked us to write a _________ letter in English this morning.
| A．ninety-word |
B．ninety-words |
| C．ninety word |
D．ninety words |