![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
giúp mình mấy câu này với, thanks mn<3
1. I have only ever felt frightened on once occasion.
=> Only on once occasion__________
2. Unfortunately, we have never seen a duller show
=> Unfortunately, the show______
3. I didn't arrive in time to see her.
=> I wasn't______
4. University students have volunteered to drive buses during the strike.
=> University students have volunteered to drive buses________
1. I have only ever felt frightened on once occasion.
=> Only on once occasion__________
2. Unfortunately, we have never seen a duller show
=> Unfortunately, the show______
3. I didn't arrive in time to see her.
=> I wasn't______
4. University students have volunteered to drive buses during the strike.
=> University students have volunteered to drive buses________