This month, I _______ hard for my next marathon .(TRAIN)
have been training / have run
What a mess! Someone _________ his hair cut. (HAVE)
has had
The lights in that office building ________ on and off all evening. (GO)
have been going
My neighbours ________ a nice house in the suburbs last year. (BUILD)
built
My neighbours ________ a nice cabin in the mountains. (BUILD)
have built
