At the age of 29, Dave was a worker, ________ in a small apartment near Boston and ________ what to do about his future. (2009湖南卷)
It is playing computer games _______ he spends so much time that he fails all the exams
The train he was looking forward to ______ only a few minutes ago. A arrives B arrivedC 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.