amazing，admire，recommend，look forward to，concentrate on，apply for，rather than，focus on，give up，feel confident

（1）Betty did not

feel confident

feel confident

at all when she first came to the senior high school.
（2）Han Jing always

concentrates on

concentrates on

each experiment in chemistry class because he loves this subject very much.
（3）Next weekend，we are going to have a camp tour.I'm quite

looking forward to

looking forward to

it.
（4）Everyone will meet with some difficulties in their studies，but never

give up

give up

!
（5）Adam's adviser

recommended

recommended

that he should sign up for advanced literature.
（6）Spending too much time online is unhealthy and makes it very difficult to

focus on

focus on

other things in life.
（7）If you want to travel abroad，remember to

apply for

apply for

a visa first.
（8）This four-day walking tour will take you on

amazing

amazing

paths through the Andes Mountains on the way to the city of Machu Picchu.
（9）I started thinking about fitness

rather than

rather than

weight，things began to change.
（10）Stay in a local hotel，visit the museums，

admire

admire

the architecture，enjoy the excellent food，and go shopping at the local markets.