The boy is considered _____ his work very well. [ ]A. to do B. to have done

题型：同步题难度：来源：

The boy is considered _____ his work very well.

[ ]

A. to do
B. to have done
C. doing
D. having done

答案

举一反三

Charles Babbage is generally considered _____ the first computer.

[ ]

A. to invent
B. inventing
C. to have invented
D. having invented

题型：同步题难度：| 查看答案

He is said ____ to London already.

[ ]

A. having sent
B. to be sending
C. to have been sent
D. being sent

题型：同步题难度：| 查看答案

I don"t know whether you happen _____ that I"m going to study in England this October.
A. to be heard
B. to have heard
C. to be hearing
D. to hear

题型：山西省会考题难度：| 查看答案

All the books donated by the students from urban schools are said _____ to the students in rural areas
the other day.

[ ]

A. to be sent
B. being sent
C. having been sent
D. to have been sent

题型：模拟题难度：| 查看答案

The split between humans and living apes is thought by some scholars _____ 15 to 20 million years ago.

[ ]

A. to occur
B. occurring
C. to have occurred
D. having occurred

题型：模拟题难度：| 查看答案