There are still many problems ______ before we are ready for a long stay on the Moon.
#88396
A
solving
B
solved
C
being solved
D
to be solved
推荐题目
We finally managed to make the customers _______ of the quality of the vehicle.
#99016
A
to convince
B
convincing
C
convince
D
convinced
Time should be made good use of ____ our lessons well.
#98053
A
learning
B
learned
C
to learn
D
having learned
Last summer holiday, I went back to my hometown, _______ the neighbors and the house _____ I used to be familiar with were gone.
#93293
A
only finding; which
B
only found; that
C
to find; whom
D
only to find; that
When they returned home ,there was nothing left in the house except a note ______“Hope you enjoyed the show !”
#98506
A
saying
B
reading
C
that
D
A﹠B
The boy insisted ______ in a nearby school.
#92065
A
to be taught
B
being taught
C
on being taught
D
on teaching