Professor Johnson is said _____ some significant advance in his research in the past years.
C
暂无解析
My mother was determined to help those in need and she would have been immensely proud of what has been achieved these last 20 years. The italicized part in the sentence expresses _______.
Even if his letter____tomorrow ， it____too late to do anything.
Marytiptoedoverandtooktheclockawaybecauseshehatedtohearit___whenshewastryingtogotosleep.
The（） inJanet‘scharacterhashinderedherfroomadvancementinhercareer.