Professor Smith, along with his assistants, _____on the Project day and night to meet the deadline.
Wang, I hear that you ______ along the Mekong River. Have you got everything ready?
On her birthday, she received from her parents a nice present _____ a note was attached, _____ “We love you so much”.
Maybe you have been to many countries, but nowhere else _____ such a beautiful palace.
Every time Ashrita tries to break a record, he reaches a point ______ he feels that he cannot physically do any more.
Almost every day it is not until midnight __________ Xiao Ming finishes his homework.