Many a time, Bob failed to find a job_____ his skills can be put to use. So the situation______ he can’t change worried him deeply.
The top student failed again in the examination and only then ______ the importance of reading and memorizing the English texts.
Please don’t get too close to the building______ roof is under repair.
It is a great ______ for us to be invited here to meet the great scientist face to face.
Tom has two cousins, and ______ are engineers.
The leader ordered that the boys ______ in the accident should be given first aid at once.