I am sorry to have you ________ so long.
#95471
A
waited
B
to wait
C
waiting
D
to be waiting
推荐题目
Some English scientists are identifying problems ____ technology in the 21st century. If solved, the solutions could change the world.
#97172
A
facing
B
faced
C
being faced
D
having faced
Our teacher suggests ______ English every day to improve our spoken English.
#90672
A
practising to speak
B
to practise to speak
C
to practise speaking
D
practising speaking
Over 200, 000 hotel reservations were made in Hong Kong through Taobao last year, _______ it the most popular travel destination among Chinese netizens.
#91178
A
making
B
to make
C
having made
D
made
________ in a heavy traffic jam in a taxi while you are hurrying to the airport is quite a unpleasant experience.
#95437
A
Having caught
B
Being caught
C
Caught
D
Having been caught