_____in the queue for half an hour，the old man suddenly realized he had left the cheque in the car.
A.Waiting B.To wait C.Having waited D.To have waited
-___________ to their own
work，most of the parents spend little time with their
children.
A.Devoting B.To be devoted C.Having devoted D.Devoted
The purpose of Internet is not to make life more difficult,but _____it easier.
A.make B.to make C.making D.made
into English, the sentence was found to have an entirely different word order .
A.Translating B.Translated C.To translate D.Having translated
the shark drawing closer to her，the clumsy swimmer was ____almost to death.
A.Seeing；scared B.Seeing；scary C.Seen.；scare D. To see；scared
The construction of the two new railway lines by now.
A.have been completed B.has been completed C.has coompleted D.have completed
