A. truck B. trolley C. van D. stroller
A. improvises B. sponsors C. naturalize D. neutralize
A. warrior B. carrier C. barrier D. career
A. Summer being over B. Summer is over C. Summer did over D. Summer was over
A. leading B. lead C. leaded D. to lead
A. is B. was C. × D. be
A. is B. being C. to be D. was
A. strike B. struck C. striking D. stroke
A. T B. F