With so many people ____ the Internet, it is difficult to see online movies at the same time.
| A．surf | B．to surf | C．surfing | D．surfed |
I woke up with __________ bad headache, yet by __________ evening the pain had gone.
| A．the; the | B．the; an |
| C．a; the | D．a; an |
As is known to all, __________ People's Republic of China is __________ biggest developing country in the world.
| A．the; / | B．the; the |
| C．/; the | D．/；/ |
There is no __________ swimming-pool in this school and the students often go to swim __________.
| A．indoors; outdoors | B．indoor; outdoor |
| C．indoor; outdoors | D．indoor; indoors |
My English teacher is really __________. She is often seen working in her office far into the night.
| A．warm-hearted | B．easy-going |
| C．hard-working | D．self-confident |
__________ Hu Jin would not appear that night, Lifang was __________.
| A．Found; heart-broken | B．Finding; heart-broken |
| C．To find; broke heart | D．Find; breaking |