There is someone ________ you in the garden．

wait

waiting

waiting for

Since then, he ________ another bad habit．

developed

has developed

develops

The second place ________ he wants to visit is Venice．

that

where

what

I prefer ________ rather than ________．

dancing, singing

to dance, to sing

to dance, sing

It ________ one hour to finish the work．．

paid

took

spent

We can’t laugh at others when they are ________ trouble．We should try our best ________ them．

at, helping

in, help

in, to help

Our teacher ________ to Beijing many times．He knows Beijing very well．

goes

is going

has gone

has been

It’s a very difficult question, so ________ of the students could answer it．

none

all

every

some

She looked into the room, but didn’t see ________．

everyone

anyone

someone

none

We haven’t seen ________ for four years．

each other

the other

others

other