—Will you accept his proposal?—Me?____．He is the last man in the world I want to marry．

—Must I turn off the gas after cooking ? --Of course . You can never be ___ careful with that.

There was no news；＿＿＿＿, she did not give up hope. 

However weak we are，we can still do something against the powerful nature so long as we are     prepared．

The latest model of camera can           brings the object into focus, with which even a child can shoot very well．