--- I wonder how much you charge for your service. --- The first two are free _____

--- I wonder how much you charge for your service. --- The first two are free ______ the third costs $30.

#32246

while

until

when

before

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I’m sorry, _________ I won’t be able to come tonight.

#79840

for

and

but

then

All people,     they are old or young, rich or poor, have been trying their best to help those in need since the disaster.

#79731

even if

whether

no matter

however

—What upsets him?—________ his computer is out of order.

#30313

Whether

What

That

How

He said ______ couldn’t he work out the problem but his teacher didn’t know how to do it.

#80569

though

never

hardly

not only

__________ the kids have left home,  we’ve got a lot of extra space.

#33149

As soon as

While

Now that

Before