Helping others is a habit, ___ you can learn even at an early age.
| A．it | B．that | C．one | D．those |
If you live near the lake, _______are that you will hear birds singing to welcome the new day.
| A．facts | B．chances | C．situations | D．possibilities |
.―Remember to pick up your little sister on your way home.
―_______. You can depend on me.
| A．Don't mention it | B．No way | C．Got it | D．My pleasure |
China is_______vast country which is home to______amazing variety of landscapes, plants and animals.
| A．the; the | B．a; the | C．the; an | D．a; an |
．I'm sorry the rooms are all booked out today. That is to say, there's no room _______ for the moment.
| A．useful | B．available | C．extra | D．spare |
In _______ 1960s, ________ number of habitants here is very _______ ,and it was since the middle of 1970s that the population has been increasing rapidly.
| A．不填; the; much | B．the; the; small |
| C．不填; the; large | D．the; a; small |