____ abroad for two years, the two astronauts went back home last year.
#95816
A
Educating
B
Educated
C
Having been educated
D
being educated
推荐题目
________ with so much trouble，we failed to complete the task on time.
#95405
A
Faced
B
Face
C
Facing
D
To face.
I’m glad to see the rapid progress ______in science and technology in the past decade.
#96993
A
to make
B
making
C
made
D
having made
The determined mother has devoted all she has to ________ her son out of trouble.
#95959
A
helping
B
help
C
have helped
D
having helped
________ an hour every day has made a considerable difference to my health.
#89597
A
Having walked
B
Walk
C
Walking
D
Walked
---Can you tell me who the woman going to the hall is?---A famous writer ______to give us a lecture.
#93201
A
is invited
B
invited
C
to invite
D
inviting