---Why didn’t you go to yesterday’s meeting?
---I would have but I ______ too busy working on the important experiment.
| A．had been | B．was | C．were | D．am |
Thinking________you know _________in fact you don’t is a terrible mistake.
| A．what;what | B．that;what | C．what;that | D．that;that |
---Kate returned home last night.
---Really? Where_________?
| A．had she gone | B．has she been | C．has she gone | D．had she been |
---Are the food and clothes_________the quake-hit area?
---Yes, they will be flown there ahead of time.
| A．flowing to | B．flew to | C．being flown to | D．been flowing to |
It was in that country_____he studied for his doctor’s degree____he fell in love with the girl.
| A．that;that | B．which;where | C．where;that | D．where;where |
It is strongly suggested that measures________factories to pour waste into rivers by the government.
| A．be taken to prevent | B．be taken to forbid | C．are taken to prevent | D．are taken to forbid |