I can’t go to the New Year’s concert, _______, 100 dollars is just too much for me to spend in one evening．

in other words

that is

in particular

I mean

After supper she would sit down by the fire, sometimes for _______ an hour, thinking of her young and happy days．

as long as

as soon as

as much as

as many as

Someone who lacks staying power and perseverance is unlikely to _______ a good researcher．

make

turn

get

grow

I had just stepped out of the bathroom and was busily drying myself with a towel _______ I heard the steps．

while

when

since

after

In time of serious accidents, _______ we know some basic things about first aid, we can save lives．

whether

until

if

unless

I saw a woman running toward me in the dark．Before I could recognize who she was, she had run back in the direction _______ she had come．

of which

by which

in which

from which

One of the traditional complaints about English food is the way _______ vegetables are cooked．

which

how

in which

that

She was teaching me _______ you would teach a younger child to speak the language．

the way

in the way

a way

to the way

_______ he will attend the meeting is uncertain．

What

That

Whether

If

The question _______ we can get enough coal for the winter has not been cleared up yet．

that

if

which

whether