someone who's in charge at work and feels really angry or upset
an angry boss
a creative person
Possible variant: someone who likes to think of new and interesting ideas or make things in different and unique ways
My old friend / always / borrow some money / from me
My old friend always borrows some money from me.
a lesson that is not interesting or exciting for students
a boring class
a modern university
Possible answer: a university where students and teachers use new technology and methods to study and teach
My little cousin / sometimes / cause problems / but / I / be / never / angry about it
My little cousin sometimes causes problems but I'm never angry about it.
someone who doesn't like to work or study hard
a lazy student
friendly
kind and nice to others, like smiling and saying hello
I / come back home / yesterday / late / because I / help / my collegue.
I came back home late yesterday because I helped my collegue.
to find the answer or fix something that is wrong
solve the problem
popular
Possible answer: many people like or know about something or someone
I / be / busy this month / because / I / take / an intensive English course
I'm busy this month because I'm taking an intensive English course.
costs a lot of money
expensive
difficult
Possible answer: not easy to do or understand
I / feel / really happy / because / I / finally pass / that difficult Math exam
I feel really happy because I finally passed that difficult Math exam.