I wish there _____ no misunderstanding on this matter

It’s high time we ________ effective ________to improve your working conditions.

Yesterday, Jack was asked to make _______ speech in ______ front of the classroom to report what he did during the National Day.

hn, how did your English exam go—I thought I ____, but in fact I came inthe top 10% in the class.

libaba Group, _____was founded in 1999, has become China’s largest e-commerce company.