To keep healthy, Professor Johnson ________ cycling as a regular form of exercise after he retired．

took up

caught on

carried out

made for

Helen always helps her mother even though going to school ________ most of her day．

takes up

makes up

saves up

puts up

The new law will ________ on the day it is passed．

be come into effect

be brought effect

come into effect

bring into effect

I do not think you should hire him．He is ________ young children．

not qualified to teach

not qualified teaching

qualified to teach

qualified teaching

Having been ill in bed for nearly a month, he had a hard time ________ the exam．

pass

passing

passed

to pass

Can you ________ me to the theatre?

I am a stranger here．

cause

let

direct

tell

完成句子

We saw our teacher coming ________ our direction．

in

at

from

on

His house is ________ opposite the church．

direct

directly

direction

director

He volunteered ________ me move．

to help

helping

help

helped

They are each recognized specialists in their ________ fields．

respectable

respectful

respective

respect