14 喜欢·186 浏览
单选题

Henoticedthehelicopterhoveringoverthefield.Thentohisastonishment,hesawaropeladder_____outandthreemenclimbingdownit.

A
throwing
B
beingthrown
C
havingthrown
D
havingbeenthrown

题目答案

B

答案解析

暂无解析
举一反三
单选题

Thecompositionscontainedsofewerrorsthattheteachergotthestudents_____oneanother’spapers.

A
correct
B
tocorrect
C
correcting
D
tobecorrecting

题目答案

B

答案解析

暂无解析