1.that man is the first=… to cross the country from south to north .(explore) 2.my neighbours are very =… I love them so muc

1.that man is the first….explored……….. to cross the country from south to north .(explore)

Chỉ người (that man)- dùng danh từ chỉ người (explored)

2.my neighbours are very ……friendly……… I love them so much (friend)

friendly : thân thiện 

3…….unluckily…………she has hurt her hand and cannot play the piano 

unluckily : Không may mắn

4.Everybody was worried because the child….disappeared………(appearance)

Chỉ người (the child) – dùng danh từ chỉ người (disappeared)