They've made the mistake again, though they _______.
The new survey shows that the number of students ______ computer games has been increasing in recent years.
The Professor considers ____ no good _____ without understanding.
---I'm sorry I made a mistake!--- _____. Nobody is perfect.
Word spread across the country __________ the former first lady planned to run for the next president election.
On November 11, the so-called double 11 shopping carnival, his mother spent a lot in buying clothes __________ his father bought tens of latest digital devices.