My English teacher gave us a suggestion yesterday, _____is often the case, ______ our monitor organize a debate after class.
John began to study French last Sunday. ____________
Some plants are so difficult to grow that they can only ______ in a perfectly clean environment.
The family finally climbed to the top of the Mount Tai, ________.
Only after he was taken to the teachers’ office did he admit ______ the window.
Her poetry is always easy and __________.