He found ________ very difficult ________ to look after his younger brother well.
A.it; learn B.it; to learn C.that: learn
What a nice day! We should climb the mountain ________ playing with phones at home.
A.because of B.instead of C.together with
—Where is Sarah? I want to invite her to my birthday party.
—She ________ to Mount Tianmen. She’ll come back ________ two weeks.
A.has been; in B.has gone: after C.has gone; in
We should regard trouble ________ our “friend” and try to work it out.
A.with B.as C.for
All the students were reading ________ they heard a man ________ “Amazing!”.
A.when; shouting B.while: shouted C.when; to shout
He came up with ________ unusual idea that he solved this problem quickly.
A.such a B.so an C.such an
