—Did you hear Tom was criticized for his spelling mistakes in his English composition?—Yes, but a more careful person ________ so many mistakes.
Your time should be made full use of ________ English well.
Actions __________ walking and drinking are quite difficult in the moon.
Keep ______. The camera is ready.
catch the first bus, he got up very early this morning.
The number of people invited to the party _____ sixty, but a number of them ______absent.