Property insurance helps you to ______ against natural disasters, in front of which humans appear too small．
A．prevent B．defend C．protect D．shelter
You really shouldn’t have _____ to his comment on your work so violently．______ he meant no harm to you．
A．reacted; After all B．responded; At all
C．acted; After all D．done; In all
People, with the young ________, love to surf the Internet for entertainment．
A．in general B．in detail C．in particular D．in brief
With gas, water and electricity ______, the village is suffering a humanity disaster．
A．cut down B．cut up C．cut in D．cut off
About 80 percent of the students in our school_____ been working on the program and about two-thirds of the work _____been finished．
A．have; has B．has; have, C．have; have D．has; has
Some people feel easy and comfortable to be served by others but when they are asked to serve others ______, they are unwilling or even hate to do so．
A．in turn B．in their turns C．in their turn D．by their turn
