.It is the first time the students _______

.It is the first time the students ________ to Hyde Park.

#93955

have gone

have been gone

had gone

had been gone

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We had much difficulty __________ home in the snowstorm.

#92308

walked

walk

walking

to walk

--have you ever been to Beijing before?--No. it is the first time that I ____here.

#93080

have been

had been

We were about to leave the classroom _____ it began to rain.

#94729

while

when

before

He spoke English so well _____ by us all.

#94006

to be praised

as to be praised

for being praised

that was praised

Soon they got to the bank,____stood a big pine tree.

#94932

In front of which

There

Where

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