She brought with her three friends, none of__________ I had ever met before.
So much progress _____ in the past few months that she now has no difficulty in making herself understood in English.
Much to my, I’m unable to accept your kind invitation.
—Shall we hang out tomorrow morning? — ________ I’ll save the morning for my essay.
-- Isn’t that Ann’s husband over there? -- No, it ________ be him. I’m sure he doesn’t wear glasses.
I didn’t believe the reasons he explained _____ me.