The father went to the door in______to a knock from outside.A．answerB．difficultyC．regardD．

The experiment __________，the students went on to take notes in the experiment report

At the shopping centre they went up in the ______ to the shops on the second floor.A．stree

I went to Paris in 2008, which was the only occasion when I ______ the journey in exactly

Several guests were waiting in the ______ for the front door to open.A．porchB．ventC．inletD

The lights went out and she had to______for her glasses on the bedside table in the darkne

The error in the sentence "He to the shop went" is an example of______.A．additionB．substit