I'd like to ____ the appointment with Dr. Johnson from Tuesday to Thursday.
A. chance
B. change
C. chat
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When does it arrive ____ Macao?
A. at
B. in
C. on
I'll take ___ 4:45 flight to Hong Kong for a conference.
A. a
B. /
C. the
Sorry, he's fully _____ this morning.
A. booked
B. booking
C. reserved
I wonder _____ it would be convenient to meet you today.
A. if
B. weather
C. whether