From his ________ look, we could see that he hadn’t expected that we could raise such ________ questions to him．

confused; confusing

confusing; confused

confusing; confusing

confused; confused

I’m always ________ John and Paul－which one is John?

puzzling

confusing

puzzled

confused

The explanation is not at all ________．We demand an apology．

satisfactory

satisfied

satisfying

satisfaction

The policeman put down the phone, ________ with a smile on his face．

satisfied

satisfying

to be satisfied

having satisfied

It is said that a ten-minute fast walk can ________ oneself of low mood．

remove

rid

leave

prevent

This journal is widely ________ among teenagers．

circulated

spread

circling

expanding

He made another wonderful discovery, ________ of great importance to science．

which I think is

which I think it is

which I think it

I think which is

It is well-known that atmosphere gets thinner and thinner ________ the height increases．

while

when

as

with

I was invited to two parties last week but I didn’t go to ________．

both of them

neither of them

either of them

none of them

The repairs cost a lot, but it’s money well ________．

to spend

spent

being spent

spending