Careful studies have pointed out that as many as 50 percent patients do not take drugs as ________．

directed

expected

announced

followed

Ann Lee is ________ as one of the best directors in the world．

appointed

elected

recognized

realized

Jerry didn’t ________ his primary school classmate－Mary, until he listened to her self-introduction．

know

find

recognize

realize

It’s always difficult being in a foreign country, ________ if you don’t speak the language．

extremely

naturally

basically

especially

It is so nice to hear from her．________, we last met more than thirty years ago．

What’s more

That’s to say

In other words

Believe it or not

I’m sorry that I cannot accept your ________ to attend your birthday party, Linda, because I was ________ to answer all the customers’ letters tonight by my boss．

requirement; required

demand; requested

request; asked

request; required

Do you think the president will give in to the terrorists’ ________?

demand

requirement

request

suggestion

It is ________ that all the celebrities in the entertainment circle pay their taxes to the state．

commanded

requested

advised

required

The newly-founded chess club formally ________ us to attend the opening ceremony．

requested

required

demanded

commanded

The army received a command that they ________ to the front immediately．

would march

must march

should march

were marching