Thechildenjoyed_____&n

发布时间:2020-07-12 05:04:24

The child enjoyed _____ up the wooden bricks then knocking them down.












A.adding











B.pushing










C.piling










D.forming

网友回答

C解析pile up (=lay in a pile or as if in a pile)把......放成一堆, 堆积:pile up the books on the table (把书堆在桌子上)。Pile up作不及物动词用, 意为“积压; (若干汽车)相撞”:1) Perishable goods are piling up at the docks. (码头上易腐烂的货物堆积如山。) 2) Several cars piled up after ignoring the fog warning on the motorway. (由于无视高速公路上的大雾警告, 有好几辆汽车相撞。)  
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