One or perhaps more pages ______ missing.A．isB．areC．has beenD．have been

_____uses one or two high pressure pumps for all the cylinders with one more____ standby, while______have a separate high－pressure pump for each cylinder.

______ is a word which is the reflection of more than one objects or concepts.A．MonosemyB．

—Perhaps you have heard our products. Would you like to know something more？—_________

There are_____I want to tell you.A．one or two thingsB．either one thing or another thingC．n

______ is a process of combining two or more words into one lexical unit.A．DerivationB．Ble

Would you rather______more stupid than you look or______more stupid than you are？A．being,