The father as well as his three children ________ skating on the frozen river every Sunday afternoon in winter．

is going

go

goes

are going

I think it is necessary for my 19-year-old son to have his own mobile phone, for I sometimes want to make sure if he ________ home for dinner．

come

comes

has come

will come

To a room above the store, where a party ________, some workers were busily setting the table．

was to be held

has been held

will be held

is being held

Only then ________ how much damage had been caused．

she realized

she had realized

had she realized

did she realize

My cousin went to Canada two yours ago．He ________ there for a few months and then went to America．

worked

would work

would be working

has been working

I have studied in the university for three years and I ________ here in two years’ time．

leave

have left

am leaving

left

I ________ along the street looking for a place to park when the accident ________．

went; was occurring

went; occurred

was going; occurred

was going; had occurred

Because the shop ________, all the T-shirts are sold at half price．

has closed down

closed down

is closing down

had closed down

Police are now searching for a woman who is reported to ________ since the flood hit the area last Friday．

have been missing

have got lost

be missing

get lost

I hear you will leave for Beijing tomorrow．Who ________ you off at the airport．

see

saw

is seeing

has seen