Thedestructionofthetwintowers_________shockandangerthroughouttheworld．
Wewerebusy________(get)thingsreadyforthetrialproductionwhenhephonedus.
Wemust______thattheexperimentiscontrolledasrigidlyaspossible.
Thedirectorrecommendedthatshe________(study)moreEnglishbeforegoingabroad.
TheinteractionsbetweenChinaandtheUSwillsurelyhaveasignificant_______on.peaceandstabilityintheAsia.—Pacificregionandtheworldasawhole.
