Americanpresidentcanbeelectedto______terms,andsenatorsareelectedto_____terms. A: two; two-year B: two; six-year C: four; six-year D: six; two-year

U.S. presidents normally serve a (an) __ term. A: eight-year B: four-year C: six-year D: two year

He will live in Singapore（）. A: for at least 6 months in any one year B: all through the year C: for less than six months a year D: for up to six months

For six months of the year, there is hardly any light at the ( ). (polar)

She has a __________ daughter. A: six-years-old B: six-year-old C: six year old D: six years old

Nearly six million people go to see the Mona Lisa every year,

Nearly six million people go to see the Mona Lisa every year, attracted by the _________ of her smile.

BEST SECRETARY OF THE YEAR most of her work is for her company’s Managing Director, she works for six bosses

Every year, about six million people die from smoking-related diseases in the world, ______ one million in China, according to the WHO.

How long has Chairman Xi Jinping lived and worked in Liangjiahe?( ) A: for eight year B: for six years C: for five years D: for seven years