With our country entering an aging society, ______ the retirement age is probably unavoidable.
A. having delayed B. delaying C. being delayed D. to be delayed
The new policy allows a couple to have a second birth _____either is an only child.
A. though B. if C. unless D. until
Will was stupefied with exhaustion, and he _____ his head on the grass under one of the trees and slept, but he saw a cat acting strangely.
A. should have lied B. ought to have lay C. might have laid D. must have laid
----He thinks that girls are smarter than boys when it comes to learning English.
----But two years ago he thought_______.
A. so B. otherwiseC. oppositeD. different
Although her disease her eyesight and forced her to leave the dance floor, she refuses to fall into self-pity.
A. has affected B. affected C. affects D. had affected
At long last the child was found on top of _____ we call the museum of science and technology.
A. which B. that C. what D. where
