I ______ laughing when my daughter made a face.
.Jack was still very calm, ______ the quarrel with the boss, and greeted every person he met on the way back to his office.
Unfortunately, a fire broke out suddenly in his house and burnt all his ______, leaving him nothing but a car.
—I wonder if you can join us in the picnic this weekend. —______, for I have too much homework to do.
The people of Wenchuan are very brave, and they will surely _____ the problems caused by the earthquake.
.Researchers from MIT, Harvard reported a study of human brains yesterday that may______ some new information for mental illnesses.