I think you should complain, , of course, you are happy with the situation.
Rosita is said _____ in Japan, but I don’t know what city she studied in.
She will get a divorce from her husband unless _______.
It is the test system, _____ the teachers, that is to blame for the heavy burden of middle school students nowadays.
______ not to miss the flight at 15:20, the manager set out for the airport in a hurry.
The last letter ____ arrived yesterday morning left him______ very sad.