You can contact us by telephone or e-mail, ________ you prefer．

whoever

however

whatever

whichever

The ship struggled in the strom and ________ radio signals for help．

gave off

gave out

gave up

gave in

－Why is Jimmy so popular with his classmates?

－Because he is humorous and always ________ good jokes．

says

speaks

states

tells

The other day he ran across one of his friends on the street, whom he for ________ ages．

hadn’t seen

didn’t see

hasn’t seen

doesn’t see

－You’d better take ________ friend with you．Then you can help each other if in ________ trouble．

－Sounds a good idea．

the;/

the;the

a;/

a;a

Charles Dickens wrote many novels to call ________ to social problems at that time．

interest

attention

notice

mind

－I’m sorry to have kept you waiting．

－________．

You’re welcome

Go ahead

No problem

Don’t mention it

－Are my clothes too casual?

－No．You can go ________ you are．

as

what

that

where

More and more people shop online, ________ advantage of low prices．

having taken

taking

taken

having been taken

The Day of the Dead, an ancient Mexican festival, is not a sad day, but ________ time to celebrate ________ cycle of life．

a, the

不填, the

不填, a

the, a