Mike is ________ American boy．
A．
eight-year-old．
B．
a eight-year-old
C．
an eight-year-old
D．
eight years old
用所给单词的适当形式填空。
They find it hard ________(spell)and ________(pronounce)the words．
This language is ________(difference)from English in many ways．
I have never ________(see)the boy before．
They have been to many ________(interest)places．
She ________(be)here since 1990．
He has ________(send)Peter to work in Germany．
Egypt is one of ________(big)and ________(busy)cries in Africa．
The boy is happy because he ________(visit)the Pyramids．
用短语填入下面的句子中，使其通顺完整，每个短语只能用一次。
They miss their friends in the US,so they are ________ the days．