Don’t believe in those ads that you can master a language in one month. Instead, it is a(n) _______process, which may last for years.
. — What does the sign over there read?—“No person __________ smoke or carry a lighted cigarette,cigar or pipe in this area.”
. I told your friend how to get to the hotel, but perhaps I __________ have driven her there.
. —How’s your tour around the North Lake? Is it beautiful?—It __________ be, but it is now heavily polluted.
. —Where is my dictionary? I remember I put it here yesterday.—You __________ it in the wrong place.
. — She looks very happy. She __________ have passed the exam.— I guess so. It’s not difficult after all.