So difficult _________ it to live in an English-speaking country that I was determined to learn English well．

I have felt

have I felt

I did feel

did I feel

Only those who follow their dreams _________ achieve the final success．

do they

can they

they can

can

We’d better take umbrellas－I’m sure it _________ when we arrive in London; it’s always wet there at this time of year．

will rain

is raining

will be raining

would rain

I _________ to go for a walk, but someone called and I couldn’t get away．

was planning

planned

had planned

would plan

_________ help the people in the snowstorm in the south made him worried．

Not known how to

Unknown what to do to

His knowing not how to

His not knowing how to

Written in a hurry, _________．How can it be satisfactory?

they find many mistakes in the report

lots of mistakes have been made in the report

there are plenty of mistakes in the report

the report is full of mistakes

The students expected there _________ more reviewing classes before the final exams．

is

to be

being

have been

The woman, who is said to have moved to America last year, _________ in China for almost twenty years．

lived

has lived

was living

had lived

The company promised to pay some money for the customers _________ their shoddy(伪劣的)goods and _________ an apology in public．

purchasing; making

purchasing; make

purchased; to make

to purchase; made

The country’s population _________ small, and most of its population _________ in the mountainous areas．

are; lives

are; live

is; live

is; lives