Choose the correct answer word

10. Choose the correct answer word among A , B , C or D to complete the sentence . You can …………. the problem alone.
0 điểm
A.solve
B.do
C.make
D.think
11. Choose the word or phrase among A , B , C or D that need to correcting. It was a long time since we last talked to each other .
0 điểm
A.was
B.since
C.last talk
D.each other