Christine is quite familiar with Muslim culture. She _____________ those countries, which are still mysterious to foreigners.
Amust go to
Bmust have been to正確答案
Cmust have gone to
Dshould have been to
答案與詳解
為什麼答案是 B
must have been to 表示對過去的肯定推測，且 have been to 強調曾經去過某地（且已回來）的經歷，符合句意。
載入中…
