41.He visits twice a week __________ average.
[B] He visits twice a week on average.
42.My house is __________ the drugstore.
[C] My house is opposite the drugstore.
43.The boss is out __________ the office.
[B] The boss is out of the office.
44.He put __________ the fire quickly. (動詞の用法に注意)
[C] He put out the fire quickly.
45.She has been sick __________ the last three weeks.
[D] She has been sick over the last three weeks.
46.We want __________ have you over soon.
[B] We want to have you over soon.
47.It is time __________ go home.
[D] It is time to go home.
48.The train is __________ Shinjuku.
[A] The train is to Shinjuku.
49.He mentioned his plan __________ me.
[B] He mentioned his plan to me.
50. I work __________ morning __________ night.
[C] I work from morning to night.