Mary is the love of my life. I still remember that I met her ____ the airport ____ a snowy evening.
----Did you open the door? -----Yes. I remembered _____it before you arrived.
They were so late that they ____had time to catch the train.
----Why can’t I smoke here? ----At no time_____in the meeting room.
Helen plays the piano well, ____her favourite instrument is the violin.
The young man, ___two attemps to climb the high mountain, decided to have another try this year.