Robert is said______ abroad, but I do not know what country he studied in.
#98572
A
to have studied
B
to study
C
to be studying
D
to have been studying
推荐题目
The machine has been made easier for it____.
#94295
A
to operate
B
operated
C
being operated
D
to be operated
It is believed that if a book is ________，it will surely ________ the reader.
#89214
A
interested; interest
B
interesting; be interested
C
interested; be interesting
D
interesting; interest
Alice spent much time _____ the piano each day.
#90573
A
to practice playing
B
practicing playing
C
to practice to play
D
practicing to play
Farmers in China began to use tractors ___ cattle for farming work.
#93738
A
to take the place of
B
take place of
C
to in place of
D
in the place of