There is a truck ______ the classroom.A、in the front ofB、 in front ofC、in frontD、at the

There is a____tiger in the lobby.

There is a river in the valley，fresh flowers _________________.A、is on the banksB、were

The writer seems to suggest that the description of ______ is closer to truth.A．middle－cla

______no air or water, there would be no life in the world.A．There wasB．There wereC．Is the

According to the author, where there is______, there is such scam.A．greedinessB．surplusC．i

There are jobs more dangerous than truck driving, ______, lion training.A．that"s to sayB．i