.During the test we were supposed to stay in our seats , keep our eyes on our work , ___________to anyone .
—I left my handbag on the train, but luckily someone gave it to a railway official. —How unbelievable to get it back! I mean, someone ______ it.
Mother ______ him not to smoke, but he wouldn’t listen.
______ more and more trees cut down, many animals and insects are dying out.
Could it be in the place ______ we visited yesterday ______ you left your book?
Although the number of competitors ___ limited, a number of our classmates ___ eager to take part in it.