______ is a good form of exercise for both the old and the young.
#88215
A
Walk
B
To walk
C
Walking
D
The walk
推荐题目
_______ Jane’s way of studying chimps, our group are all going to visit them in the forest.
#94444
A
Follow
B
Following
C
Followed
D
To follow
Sarah pretended to be cheerful，________nothing about the argument.
#88454
A
says
B
said
C
to say
D
saying
The picture I took in the countryside ______ me of the time when I stayed there.
#96913
A
remembers
B
reminds
C
calls
D
tells
A new technique ____ out, the yields (收成) increased by 20% .
#98832
A
having working
B
having been working
C
has worked
D
had been worked
Most people prefer _____money______it .
#94497
A
spending; to earning
B
to be spending ; to be earning
C
to spend; to earn
D
having spent; to having earned