From my second year on, I feel my professional courses are _________ difficult.
A. many and more
B. more and more
C. much and much
D. many and many
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I have some trouble ________ out the maths problem.
A. work
B. to work
C. working
D. worked
English is hard to me but I will learn it _______.
A. by heart
B. from heart
C. to heart
D. in heart
I feel a little _______ after three months’ training.
A. tire
B. tired
C. tiring
D. tires
I have taken a course on hairdressing in a______ school.
A. middle
B. junior
C. senior
D. vocational