Mike lost his key. ______ couldn’t enter the room.
His business failure left him at the edge of desperation, but, , he managed to go out of the shadow through years of efforts.
How was the English evening party last night?-It was great fun. You ______ come.
We’re going to buy a new house _____ two years.[ ]
I found there was only one copy of “Bighead Son and Small-head Father” on the bookshelf, so I decided to buy _______ at once.