You must do something to prevent your house ________．

to be broken in

from being broken in

to break in

from breaking in

No one enjoys ________ at．

laughing

to laugh

being laughed

to be laughed

No matter what you say,I shall ________ my own opinion．

carry out

keep up

insist on

stick to

The lost boys were last seen ________ by the riverside．

to play

to be playing

playing

play

The tree in the middle of the town ________ 700 years ago．

dates from

dates to

is dated from

dated

________ there on time, we decided to start very early the next morning．

Getting

To get

To be got

For getting

You’d better give him ________ how to learn English well for he doesn’t do well in it．

some advices at

some advice on

an advice on

any advice on

I can’t go home now．A lot of work ________ to be done．

have

remains

is remained

is remaining

I was about to leave the room ________ the telephone rang．So I stopped ________ it ,

when; to answer

when; to reply

while; to answer

as; to reply

________ ill worried my parents greatly．

I fell

Me falling

My falling

I falling