用所给的词的适当形式填空.1. Ithinkthisisthe
问题详情：用所给的词的适当形式填空.1. Ithinkthisisthe__tripIhaveeverhad.(enjoy)2. Therearealwayspeopleinthestreet__thenewspapers.(sell)3. Ithinkthisisthe usefulthingofallhere.(little)4....
根据句意，写出括号内所给单词的适当形式。1.Ithinkthisisthe
问题详情：根据句意，写出括号内所给单词的适当形式。1.Ithinkthisisthe___________(silly)mistakeIhaveevermade.2.Theydidn’ttellusthenews.Theywantedtokeepthesecretto____________(they).3.Onewhoisalwaystellingth...