The operation room in every hospital has to _______bacteria of any kind so that the patient being operated on doesn’t get infected.
Rather than ___ on a crowded bus, he always prefers _____ a bicycle.
All agreed to his suggestion that a bridge across the river__________.
The number of people invited to the party ____ fifty, but a number of them ____ absent for different reasons.
How happy we are! The holiday we have been looking forward ________at last.
The Moonstone was ________in a real story which ________in England in the 1790s.