Better go to see your sick colleague right now, ______ you?
| A．won’t | B．didn’t | C．don’t | D．hadn’t |
Many people complained about the stones scattering on a roadway, but ______ did anything about getting the stone out of the way.
| A．neither | B．both | C．none | D．all |
Recently, much more emphasis has been put ______ developing the students’ creativity.
| A．onto | B．in | C．over | D．on |
“Simpler” books are the foundation ______ students build a lifelong habit of reading and further the actual skill of reading for longer and stronger periods of time.
| A．which | B．upon which | C．for which | D．in which |
After a long and tiring flight, Mr. Ritz was frustrated at the news ______ his luggage had been sent to Hong Kong by mistake.
| A．that | B．which | C．what | D．because |
In the past twelve months the research members ______ the effectiveness of many materials in a home building.
| A．had studied | B．would study | C．studied | D．have studied |