Because of the Russian gas limit to Europe, attempts _______ to use botanical fuel as a source of power.
| A．have made | B．having made | C．are being made | D．will be making |
. Not far from the club, there is a garden, its owner __________ in it ___________ bridge with his children every afternoon.
| A．seated; plays | B．seats; plays | C．seated; playing | D．seats; playing |
The crazy fans ________ patiently in the rain for almost three hours, and they would wait until the famous star arrived.
| A．were waiting | B．have waited | C．had been waiting | D．would wait |
He expressed his hope _______ he would visit China again the next year, and this was the very hope ______ he expressed as soon as he arrived in the country.
| A．that; that | B．which; which | C．that; which | D．which; that |
The criminal was told he would be__________ punishment if he assisted the police.
| A．free against | B．immune from | C．aware of | D．at stake |
People can find so many good things, such as useful information and lovely pictures on the web, __________ it is also a global village filled with bad things.
| A．what | B．when | C．where | D．while |