From her conversation, I_____that she had a large family.

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

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

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

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

No sooner had he sat down to lunch （ ） there was a knock at the door.

He studies so hard to avoid （ ） at the bottom of the class.

（ ） the past year as an exchange student in Hong Kong, Linda appears more mature than those of her age.

You （ ） read the article if you don’t want to.

（ ） we have all the materials ready, we should begin the new task at once.

It （ ） that the jewels had been stolen by a traveler.

As population increases, （ ）.