We have been expecting Rio 2016 Olympics_______ the Olympic flame（圣火） was lit．（ ）
A．ifB．unlessC．sinceD．though
—Maria, we will graduate in a week.
—______! We should keep in touch.
| A． |
How time fly |
B． |
What time fly |
C． |
How time flies |
D． |
What time flies |
— Uncle Wang, could you tell me the secret of your good health?
— In my view, ______ vegetables and ______ meat.
| A． |
less; less |
B． |
more; more |
C． |
more; less |
D． |
less; more |
—Do you know there are more than 3,000 languages ______ in the world?
—Sorry, I have no idea.
| A． |
speaking |
B． |
spoken |
C． |
speak |
D． |
spoke |
—Using public chopsticks ______ necessary when eating with others.
—That’s right.
| A． |
is |
B． |
are |
C． |
was |
D． |
were |
—What’s the matter with my throat, doctor?
—______. Drinking more hot water is OK.
| A． |
Something serious |
B． |
Nothing serious |
| C． |
Serious something |
D． |
Serious nothing |