The Mekong River Commission has found no evidence ______ the dams on the upper reaches have an influence on the water flow downstream．
A．which B．that C．where D．what
Head coach Li Yan bursts into tears of joy when she sees Zhou Yang first _____ the finish line at the women's 1500m short track speed skating final．
A．to cross B．having crossed C．cross D．crossed
It was the President himself______ opened the door．
A．who B．when C．which D．where
The actor still remembers the excitement in his class when a female classmate _____ for a key role in a Zhang Yimou film．
A．is chosen B．was chosen C．chooses D．chose
What's your opinion of Mr．Li's request that we ______ spend half an hour reading English aloud every morning?
A．would B．should C．must D．could
The United Nations are evaluating the damage caused in Haiti earthquake, while in Chile the government itself ______ the lead role．
A．is taking B．was taking C．took D．had taken
