题目内容
She is ill. She is ________ weak ________ walk.
A. so, that B. to, too
C. so, to D. too, to
D
互动英语系列答案词语填空
用方框中所给单词的适当形式填空，使短文通顺、正确、连贯（每个单词限用一次）。
| come watch shine fast its |
Light travels at a speed(速度) which is about a million times(1)_______ than that of sound in one second, about 300,000 kilometers while sound travels only 340 meters. You can get some idea of this difference by(2)_____ the start of a running match. If you stand far away from the starter(发令员) , you can see smoke(3)_______ from his gun before the sound reaches your ears.
The fast speed of light produces some strange facts. The nearest star is so far away that light which you can see from it tonight started to travel to you four years ago at a speed of nearly two million kilometers every minute. The light from some of tonight’s started on (4)_________journey towards you even before you were born.
So, if we want to be honest, we can’t say, “The stars are shining brightly tonight.” We have to say, “The stars look nice. They were(5)______ four years ago but their light has just reached our earth.”