Hisbackacheisonly_________fornotwateringtheflowers.
A、areasonAmericaisan__________country.Youcanhear__________everywhere.
WeChinesepeopleshould__________thatChinaisjustlikeadragonproudandpowerful.
Johnsaidhewouldpay__________secondvisittoChina__________nextmonth.
Onewaytounderstandthousandsofnewwordsistogain__________goodknowledgeofbasicwordformation.
Mary’spronunciationismuchbetterthan__________inherclass.