单项选择题
A.painted;topaint B.ispainting;painting C.paint;topaint D.have painted;to paint
One of the benefits of the new model is that it is easi...
单项选择题One of the benefits of the new model is that it is easier（）than the old one.
A.operating B.to be operated C.to operate D.operated
What（）of blood does Tom have?A.kindB.typeC.sortD.catego...
单项选择题What（）of blood does Tom have?
A.kind B.type C.sort D.category
Let's not wait any longer, he might not（）at all.A.turn ...
单项选择题Let's not wait any longer, he might not（）at all.
A.turn over B.turn up C.turn on D.turn down
