Themobilephonewas的精選

問題詳情：Themobilephonewas________(guaranee)foratleastfiveyears,butitwaswrongonlyoneyearlater.【回答】guaranteed考查動詞。句意：這個手機保質期至少為五年，但是一年後就出問題了。guarantee在這裏表示“給予書面...