Therewillbeastampshowinthemuseum______wevisitedlastweek.[ ]
So excited ____ when he received the invitation to the party that he ____ say a word. [ ]
The teacher told the students that therea meeting at three o’clock.
Can you tell me _____ the birdwatchers in Zhalong Nature Reserve? I only know that _____ of them are from our school.
________ have you been studying at school?—-For more than four years.