Yesterday our chemistry teacher asked so difficult a questio
Yesterday our chemistry teacher asked so difficult a questio
Yesterday our chemistry teacher teacher asked so difficult a
The teacher asked_students to answer the questio
Last term our maths teacher set so difficult an examination
Last week our maths teacher set so difficult an examination
last week our english teacher set so difficult an examiation
17.The teacher asked a difficult question ,but finally Ted__
the teacher asked Ben ____ a difficult question in class.
The teacher asked Ben _____ a difficult question in class. [
The teacher asked Ben ____________ a difficult question in c
The teacher asked Ben _______ a difficult question in class.
The teacher asked a difficult question,but finally Ted _____