Nobody taught me English. I learned it by .

.We must take some photographs ______themicrocomputer.

Do you know why a meeting by the middle school teachers last Sunday—To demand smaller classes of no more than 25 to 30 students in each class.

te the previous rounds of talks, no agreement______ so far by the two sides.

下列文学常识和对课文内容理解不正确的一项是（ ）