. --Can you smell something _________ in the house? --Oh! I forgot to turn off the gas cooker!
Shall I tell him the change of the schedule right now? ---- I am afraid you ________, in case he comes late for the meeting.
We came to a house ________stood a tall tree
I still remember the days_______ we lived together.
I was given three books on cooking, the first ________ I really enjoyed.
The boy likes playing jokes on his classmates, __________ of course makes him popular.