He stood at the window, thinking where he _____his camera last[ ]

_______ of stealing a car, the two young men were arrested by the police.

I wonder＿＿＿ like to be an astronaut(宇航员).—I don’t know, but I imagine it’s exciting.

Thoughof taking too many risks, the climber continued his challenge.

we think of communication, we ____think of using words, talking face to face, writing messages, and so on