1. Mark ( eat ) has eaten dinner already. He is not hungry.
 2. Beth (write) has written three letters today. She misses her family. 
3.Marty and I (be) have been to Costa Rica three times. We are familiar with the culture.
 4. It (be) has been a good week so far.
5.You (show ) have shown that you are a hard worker. Good job!
.6 . Juan ( ride ) has riden horses since he was a little boy. It is easy for him. 
7. Mr. and Mrs. Smith (become) have become grandparents. Their daughter, Josefina, had a baby yesterday
8. They (not finish) haven't finished dinner yet
9.I (recently/ start) have recently startedwearing glasses
10. I ( not / be ) haven't been to the cinema for two months.

chúc bạn học tốt !

1 has eaten
 2. has written
3. have been t
 4.  has been
5. have shown
.6 .has riden
7.  have become
8. haven't finished
9. have recently started
10. haven't been

chúc bạn học tốt !