. The clever boy made a hole in the wall, _______ he could see ______ was going on inside the house.
| A．which;what | B．throughwhich;what |
| C．throughthat;what | D．what;that |
____by the advances in technology, many farmers have set up wind farms on their land.
| A．Being encouraged | B．Encouraging | C．Encouraged | D．Having encouraged |
In April ,2009,President Hu inspected the warships in Qingdao,____the both anniversary of the founding of the PLA Navy.
| A．marking | B．marked | C．having marked | D．being marked |
______Not to miss the flight at 15:20, the manager set out for the airport in a hurry.
| A．Reminding | B．Reminded | C．To remind | D．Having reminded |
When we visited my old family home, memory came_____back.
| A．flooding | B．to flood | C．flood | D．flooded |
. _____and short of breath, Andy and Ruby were the first to reach the top of Mount Tai.
| A．To be tired | B．Tired | C．Tiring | D．Being tired |