It was ____ the old worker came that we ____ the experiment.

When he was there, he ________ go to that coffee shop at the corner after work every day.

Einstein liked Bose’s paper so much that he ________ his own work and translated it into German.

Health experts believe that even a little exercise is far better than ______ at all.

He looks tired. We’d better make him ___ _a rest in the room.