I suggest they _______ at once.A. setting off B .to set off C. set off D have set off
When caught ______, he begged for my pardon and tried ______ punishment.
The ground is slippery. Hold on to the rope and don’t ______.
Only when the war was over ______ to his hometown.
I found ______ flowers on my way to the countryside last weekend.
I first met Mr. Smith in America. He ______ at Stanford University then.