Scientists generally agree that earth’s climate will warm up over the next 50 to100 years______ it has warmed in the 20,000 years since Ice Age.A. so long as. B. as much as C as long as. D as well as
English teachers are supposed ________ their students a test in class, even after class, ________ better teaching results.
Other genetic similarities suggested they all ________ a single, common ancestor about 300 years ago.
The managers consider it is important that everything ________ by weekend.
—Your sitting room looks so clean and tidy. —Well, thanks to the babysitter. She is a real ________.
Don't worry about my illness. What I need is ________ but a few days' rest.