The Mekong River Commission has found no evidence the dams on the upper reaches have an influence on the water flow downstream.
A．that B．which C．where D．what
—A second, please. I have another call coming through.
— . I’m not in a hurry.
A．Enjoy yourself B．Leave me alone
C．Take your time D．Do as you like
The good thing about children is that they very easily to new environments.
A．appeal B．adapt C．attach D．apply
all his courage, he invited the lady to get off the train with him.
A．Being gathered B．Gathered C．To gather D．Gathering
It seems that living green is easy and affordable. A small step makes a big difference.
A．surprisingly B．fortunately C．exactly D．hardly
If you visit our home or ring the doorbell, you by our dog.
A．were greeted B．will greet C．will be greeted D．greeted
