With the loss of labor,the old farmers ________at home had to choose less labourintensive crops.
----Now that you like the computer so much. Why not buy it? ---Well, I can’t afford ______computer.
He has got himself into a dangerous situation ______ he is likely to lose control over the plan.
______, the concert began.
---- You shouldn’t have gone there alone last night.---- But I ______, because Xiao Wang went there, too.
---- There is a lot of smoke coming out of the teaching-building there.---- Really? It _____ be a fire, most probably.