Discovered by the Portuguese in 1506 and _____ in 1810, the island belongs to the Great Britain and has a population of a few hundred.
The train he was looking forward to ______ only a few minutes ago. A arrives B arrived C arriving D had arrived
Persons under 16 ______ not be employed in our country.
Selecting a proper personal computer is no easy task because technology _____ so rapidly.A will change B will have changed C is changing D has changed
You’d better give the task to _____ can finish it ahead of time.
Is this the department______? A where he works in B in which he works C which he works D for which he works