---Is Bob still performing?
---I’m afraid not. He is said ___ the stage already as he has become an official.
A. to have left B. to leave C. to have been left D. to be left
The scientist ___ his research for a lack of fund.
A. deserted B. canceled C. abandoned D. quilted
Charles Babbage is generally considered ___ the first computer.
A. having invented B. inventing C. to have invented D. to invent
I send you 100 dollars today, the rest ___ in a year.
A. follows B. followed C. to follow D. being followed
An army spokesman stressed that all the soldiers had been ordered ____ clear warnings before firing any shots.
A. to issue B. being issued C. to have issued D. to be issued
He is ___ with the striking workers.
A. sympathy B. synthetic C. sympathetic D. sympathize
