A、 standard
B、 problem
C、 reason
D、 purpose
答案:B
A、 standard
B、 problem
C、 reason
D、 purpose
答案:B
A. Will .
B. Are
C. Would
D. Is
A. faces
B. facing
C. faced
D. to face
A. one
B. he
C. it
D. she
B. take
C. taking
D. to take
A. give up
B. giving up
C. to give up
D. having given up
A. caused
B. fought
C. caught
D. treated
A. reusing
B. reused
C. reuses
D. to be reused
D. is arriving
A. one
B. he
C. it
D. she
A. will be built
B. will build
C. was built
D. built