1. The child enjoyed up the wooden bricks then knocking them down.
A. adding B. pushing C. piling D. forming
2. John was very upset because he was by the police with breaking the law.
A. accused B. arrested C. sentenced D. charged
3. It isn't quite that he will be present at the meeting.
A. sure B. right C. exact D. certain
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解析：
1. 1.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。)
2.be charged with受指控犯有......; He was charged with murder. (他受指控犯有凶杀罪。)
3.I am sure that +从句。He is sure to e. = He is certain to e.但在it作形式主语, that引导主语从句时, 主句中表语只能用certain, 不能用sure.