Yesterday we all went to visit the Great Wall_______Jenny, beause she was ill in hospital.

It was at the very beginning ______ MrSmith made a decision _____we should send for a doctor.

How did the lecture get along by Professor Zhang yesterday?— The audience was ______ by his inspiring speech.

Excuse me, do you know________ —Sure, there is a bookstore down the street near here.

s world is changing rapidly, making_____ necessary for us to continue learning otherwise we can’t keep up with thetime.