Tự luận - Ex 2: Supply the correct verb form

He (be) …………. at his computer for seven hours.

(a)  

You (not/do) ………….your project yet, I suppose.

(a)  

I enjoyed the film, but I … (not / can) understand all of the dialogue.

(a)  

They (enjoy) (a)   spending time with their friends.

The company (have) (a)   a reputation for quality.

Located on a bridge over the Thu Bon River, Cau Pagoda is one of the most interesting places (a)   (visit) in Hoi An.

At 16, Mary left school (a)   (take care) of her younger brothers.

Son Doong Cave is the largest cave (a)   (discover) in Phong Nha-Ke Bang National Park.

By the time Nam finished his studies, he (a)   (be) in Ho Chi Minh City for over 4 years.

 She wishes she (a)   (quit) her job last month.