单词拼写

He hesitated for a moment before kicking the ball; o________(否则)he would have scored a goal．

单词拼写

The other day the tailor received a new sewing machine that was d________(捐赠)by a charity organization．

单词拼写

Billy can't p________(参加)in the match because he injured his feet．

单词拼写

When he was working there as a journalist, he w________(见证)the suffering of the poor in that area with his own eyes．

单词拼写

Only when he was refused by the interviewer was he a________ of(认识到，明白)the importance of knowing English．

单词拼写

She a________(承认)the fact that she had made a mistake．

单词拼写

The exhibition is held a________(一年一度地)．

单词拼写

The coach has to find a s________(替代者)for Tim．

单词拼写

She does a lot of v________(自愿的；无偿的)work for the Red Cross．

用适当的介词、副词和连词填空

Readers may not be able to see the danger, ________ they need a symbol like the mist to make it clearer to them．