I’m wondering why Mr. Smith hasn’t _yet.

It’s the second time ___ I’ve read an English novel. But do you know there was a time ___I hated English

After arriving in the United Sates, this 20-year-old Chinese student found it rather difficult to ____ living on his own.

Not until he got to the factory_______that he had lost his papers.

I don’t know why she’s looking at me ______ she knew meI’ve never seen her before in my life