# 1เลือกประเภทShe ___ (work) at the company ___ five years.A. has been working, forB. have been working, sinceC. has been working, sinceD. have been working, for
# 2เลือกประเภทThey ___ (study) French ___ last summer.A. have been studying, forB. has been studying, sinceC. have been studying, sinceD. has been studying, for
# 3เลือกประเภทHe ___ (read) that book ___ a month now.A. has been reading, sinceB. have been reading, forC. has been reading, forD. have been reading, since
# 4เลือกประเภทWe ___ (wait) for the bus ___ an hour.A. have been waiting, sinceB. have been waiting, forC. has been waiting, forD. has been waiting, since