He__________ he would be able to leave tomorrow, but it's beginning to took difficult.

Though the Rockets has got Harward, ________ remains no possibility ________ it will get NBA championship next season.

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

Tom was about to close the window ________ his attention was caught by a bird.

A new survey released by Yale University finds that Americans trust scientists most when ______ comes to information on climate change.