—Do you think the thief entered through the back door? —No, if he had, I don’t believe he ______ the living-room window.
. Is this the reason ______ at the meeting for his carelessness in his work?
_______ the house prices have risen sharply, the number of buyers is as great as ever.
The traffic problems we were looking forward to seeing ______ should have attracted the government’s attention.
If it were not for the fact that she _______ play tennis, I would invite her to join us.
She had no idea how it _____ that her husband met with trouble again.