—How long do you think it is ________ he arrived here? —No more than half a year, I believe.
They _______ all the details of the plan time and again to make sure that the project went smoothly.
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.