After having followed the man for half an hour, Li Qian ________ him in a supermarket．

lost sight of

out of sight

lost the sight

caught sight

The old man ________ scientific research and has little time to stay with his family．

is bent on

is bended on

is bent for

is bent in

Please remind me ________ this umbrella to Jin Yu．

to send

of sending

that send

sending

The story ________ Li Lei of his childhood spent with his fellows．

accused

reminded

recalled

remembered

The tree can not put up with the cold winter; you had better do something to help it ________ frost．

defend

defeat

resist

reject

One moment please, I’m just trying to ________ to the computer company．

put you over

put you through

go through

look through

The boy is ________ computer games every day, so you can imagine what trouble he has ________ the exam．

addicted to; passing

addicting to; passing

addicted to; to pass

addicting to; to pass

It has been rather costly to install the machinery, but it should ________ in the long run．

pay off

pay for

pay back

pay up

________ out after a long walk, Mike called and said he couldn’t come to the party．

Having worn

Being worn

To wear

Worn

In reading stories we expect what is to come ________ our memory of what has gone before．

based on

basing to

to base from

to be based in