It was on Tuesday evening ______ I finished the experiment.
| A．which | B．when | C．while | D．that |
【2015·福建】—I wonder _________ Mary has kept her figure after all these years.
—By working out every day.
| A．where | B．how | C．why | D．If |
【2015·陕西】Reading her biography, I was lost in admiration for ________Doris Lessing had achieved in literature.
| A．what | B．that | C．why | D．how |
【2015·四川】The exhibition tells us____we should do something to stop air pollution.
| A．where | B．why | C．what | D．which |
【2015·重庆】We must find out ____ Karl is coming, so we can book a room for him.
| A．when | B．how | C．where | D．why |
【2015·浙江】If you swim in a river or lake, be sure to investigate ____ is below the water surface.Often there are rocks or branched hidden in the water.
| A．what | B．who | C．that | D．whoever |