Which of the following words is pronounced /raiz/ ？（ ）
A．raceB．rideC．roseD．rise
The environment here becomes better and better．______ birds are coming back．（ ）
| A． |
Thousands of |
B． |
Thousand of |
| C． |
Thousands |
D． |
Thousand |
He______ speak English very well although he has studied it for only one year．（ ）
| A． |
mustn't |
B． |
can't |
C． |
must |
D． |
can |
Maybe you can catch the last bus．
_____．If not，I'll have to walk home．（ ）
| A． |
Good job |
B． |
Just so﹣so |
C． |
Not at all |
D． |
I hope so |
Taiji is my favorite and I often play it_____ healthy．（ ）
| A． |
to keep |
B． |
keeps |
C． |
keeping |
D． |
kept |
It's getting dark．Could you please_____ the light for me？
All right．Just a minute．（ ）
| A． |
keep on |
B． |
turn on |
C． |
try on |
D． |
put on |