You ________ all those clothes! We have a washing machine to do that sort of thing．

needn't have washed

shouldn't have washed

must not have washed

can not have washed

The English saying “Do in Rome as the Romans do” means you should ________ yourself to the habits and customs of another country when you live in it．

adopt

adapt

attach

authorize

The rare animals would die ________ if men were allowed to shoot as many as they wished．

out

up

down

away

Which do you enjoy ________ your weekends, fishing or watching TV?

spending

to spend

being spent

spend

You should try to get a good night's sleep ________ much work you have to do．

however

no matter

although

whatever

Who can ________ that within 10 years he will be in charge of the whole company?

indicate

promise

support

predict

I need one more stamp before my collection ________．

is completed

completes

has been completed

has completed

Tom could do nothing but ________ to his mother that he was wrong．

admitting

admits

admit

admited

In order not to be disturbed, I spent three hours ________ in my study．

locking

locked

to lock

to be locked

People were puzzled ________ they read the book．

the first time

at the first time

for the first time

at first