【C10】A．stillB．alreadyC．tooD．yet

【35】A．eitherB．neitherC．tooD．nor

【C17】A．recentlyB．alreadyC．firmlyD．long

【C6】A．stillB．evenC．yetD．too

【C8】A．if onlyB．only whenC．only tooD．but only

【C2】A．eachB．alsoC．tooD．either

【C4】A．soB．muchC．tooD．enough