Johnny made up his mind to give up smoking． He is thinking about ____．（ ）
| A． |
how he can make it |
| B． |
how can he make it |
| C． |
how will he make it |
I knocked at the door but ___________ answered． Maybe they went to the concert．（ ）
| A． |
nobody |
B． |
somebody |
C． |
everybody |
D． |
anybody |
She walked into the room ___________ in order not to wake up her baby．（ ）
| A． |
clearly |
B． |
loudly |
C． |
easily |
D． |
quietly |
Developing good reading habits can ___________ our reading speed．（ ）
| A． |
review |
B． |
receive |
C． |
spread |
D． |
increase |
Chinese scientists have made great ___________ in medical research．（ ）
| A． |
attention |
B． |
progress |
| C． |
information |
D． |
pride |
I wonder ________．
Of course it is．（ ）
| A． |
that mooncakes are delicious |
| B． |
whether June is a good time to visit Dandong |
| C． |
when the band starts playing this evening |
| D． |
if the bookstore opens today |