The professor explained this theory so clearly that this phenomenon was easy enough ________.
#95942
A
for us to work out
B
working out
C
for working out
D
to working out
推荐题目
I prefer taking exercise in my spare time __ healthy.
#93544
A
to keep
B
to keeping
C
rather than keeping
D
rather than keep
I'm pleased to see the problem _____ so quickly.
#98336
A
settled
B
having been settled
C
be settled
D
settle
Rose found her toy bear _______ under the chair.
#95343
A
hiding
B
to hide
C
having hidden
D
hidden
Studies show that daydreaming contributes significantly to concentration powers and the ability _____ with others.
#94193
A
communicating
B
to be communicated
C
to communicate
D
to communicating