Whenwereturnedfromourvacation,ournextdoorneighborswere______anewgaragebuilt.
A、havingA
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If you have difficulty locating a particular book ，please ask our librarians for___(assist).
Ifyouareunabletocometotheinterview,for______reasonyoushouldinformusaheadoftime.
对中国学生而言，用英语思维比说英语更难。
Thetwinsaresoalikethatitsalmost___(possible)totellthemapart.
When we returned from our vacation, our nextdoor neighbors were ______ a new garage built.
