How long do you often spend ______

How long do you often spend _______ this book , boys?

#49038

reads

to be read

to reading

reading

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It’s very easy for us ________asleep with relaxing music going on when we’re tired.

#49356

fall

falling

to fall

fell

—It’s time       home.—OK. Let’s go.

#50372

to go

goes

going

went

My mother often spends 2 hours  ______ housework every day.

#51027

does

doing

to do

I'm going for a field trip but I haven't decided_________.

#49954

what to do

to do what

where to go

to go where

At least 300 million people are using QQ_____ by Ma Huateng to chat online.

#51158

create

created

creating

creates

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