In the experiment we kept a watchful eye （ ） the developments and recorded every detail.

By the end of this term, we （ ） 3000 English words in all.

A car （ ） Jane’s cat and sped away.

If I had remembered （ ） the window, the thief would not have got in.

Only when （ ） in the afternoon （ ） able to leave.

—Do you like the material? —Yes, it （ ） very soft.

When I saw the expression on his face, I realized he is （ ） agreement with me.

Only those who have tasted bitterness will （ ） among others.

He was （ ） enough to see that Jake was the best candidate for the job.

Fresh air, enough exercise and nutritious food （ ） to good health.

She is very （ ） to his ugly appearance.

It was in the factory （ ） you worked five years ago （ ） you learned the technique.