The children ＿＿＿＿＿＿ very quiet； I wonder what they ＿＿＿＿up to.
| A．were； are being | B．are being； are | C．are； do | D．are being； do |
The two countries are going to meet to _______ some barriers to trade between them.
| A．make up | B．use up | C．turn down | D．break down |
If you're buying today's paper from the stand, could you get ________ for me?
| A．one | B．such | C．this | D．that |
The Frenchman pointed to the spoon and asked me ________ to call that in Chinese.
| A．whether | B．where | C．which | D．what |
If this product does not give you complete satisfaction, please return it to the manufacturer, stating when it ________.
| A．is purchased | B．will be purchased |
| C．purchases | D．has purchased |
Have you heard about that school bus accident?
—Yes, fortunately all on board including the driver ________.
| A．were saved | B．was saved |
| C．have saved | D．has been saved |