People may have different opinions about Karen, but I admire her．_________ , she is a great musician．

After all

As a result

In other words

As usual

Some passengers complain that it usually _________ so long to fill in travel insurance documents．

costs

takes

spends

spares

According to the recent research, heavy coffee drinking and heart attack is not necessarily _________ and effect．

reason

impact

fact

cause

The pilot asked all the passengers on board to remain _________ as the plane was making a landing．

seat

seating

seated

to be seating

A story goes _________ Elizabeth Ⅰ of England liked nothing more than being surrounded by clever and qualified gentlemen at court．

when

where

what

that

The old man, _________ abroad for twenty years, is on the way back to his motherland．

to work

working

to have worked

having worked

The flowers _________ sweet in the botanic garden attract the visitors to the beauty of nature．

to smell

smelling

smelt

to be smelt

The discovery of new evidence led to _________．

the thief having caught

caught the thief

the thief’s being caught

the thief to be caught

As we joined the big crowd, I got _________ from my friends．

separated

spared

lost

missed

Having a trip abroad is certainly good for the old couple, but it remains _________ whether they will enjoy it．

to see

to be seen

seeing

seen