How time flies! It’s almost three years ____ we met last time.

Had it not been for your help, I _____ penniless today.

.Being examined twice a year is the rulethat every driverobey in the city .

一Where are you going this month—We___________ go to Xiamen, but we’re not sure.

thinking about the problem when anapple fell off the tree, _______ him right on the head