Technology is developing so rapidly that _____ for only a year, my cellphone is

题型：同步题难度：来源：

Technology is developing so rapidly that _____ for only a year, my cellphone is out-of-date.

[ ]

A. using
B. having been used
C. having used
D. is using

答案

举一反三

_____ 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

题型：同步题难度：| 查看答案

_____ many times, he finally understood it.

[ ]

A. Told
B. Telling
C. Having taken
D. Having been told

题型：山西省会考题难度：| 查看答案

Although _____ considerable success as an artist, the young man keeps working hard.

[ ]

A. achieving
B. achieved
C. to achieve
D. having achieved

题型：期中题难度：| 查看答案

_____ her emotion, she buried her face in her hands.

[ ]

A. Controlled
B. To control
C. Being controlled
D. Having controlled

题型：模拟题难度：| 查看答案

_____ their final medical check, the astronauts boarded their spacecraft.

[ ]

A. Received
B. Being received
C. To receive
D. Having received

题型：模拟题难度：| 查看答案