—Who______ it be that is knocking at the door? —It ______ be Father, but I’m not sure.
I _______ in a foreign company for five years. Still, I don’t regret giving up the well-paid job.
—Which hotel are you in?—I____ in a hotel. A friend I met on the train ____ to put me up for a couple of nights.
—Didn't the teacher see him entering the classroom? —No, he_______ on the blackboard.
It is reported in the papers that the old coins _______under the earth for about 200 years by the time they were discovered.
The comments the expert made ______ stock-market bothered him greatly, ______ him not fall asleep all night.