( )_____________ this a library? A. is B. Is C. Are
Dinosaurs were ________ animals. A.small B.huge C.little
Dinosaurs lived millions ________ years ago. A.for B.with C.of
They learned ________ an interesting dance. A.of B.about C.for
Last Monday, we ________ social studies. A.hadB.haveC.has
This stone tool was made ________ Peking Man. A.with B.by C.in