单项选择题A.shortage of days.B.superstition.C.inability to divide the year.D.too many months.
单项选择题A.it’s too spicy.B.it’s too salty.C.it’s too bland.D.it’s too sour.
单项选择题A.swim in public pools.B.give blood.C.over exert yourself.D.expose your skin to the sun.
单项选择题A.K10-15.B.K20-24.C.E10-12.D.F1-3.
单项选择题A.at the back of the plane.B.in aisle seats.C.in window seats.D.near to the toilets.