1 came (thì QKĐ )
2 belongs (thì HTĐ)
3 starts - ends (thì HTĐ)
4 are - speaking (thì HTTD)
5 has learnt (thì HTHT)
6 have bên - have never visited (thì HTHT)
7 will organnize( thì TLĐ will + Vo)
8 were bult (thì QKĐ)
9 riding (enjoy + v-ing)
10 work(thì HTĐ)
~ học tốt~