David ____________himself while he ____________th

Television video suggests that______.A．the policeman defended himself against the boysB．th

David______for a while and went to where John stood with Susan.A．mingledB．tangledC．baffled

Liu Xiang ____________the race after he hurt himself again, on his ankle or footor s

Don’t let the child play with scissors ____________ he cuts himself.A、so thatB、now thatC

______by an exercise of self-control______he allowed himself to raise his eyes as they cam

_________ Edison began experimenting with some thing which he had made himself.