– You must have your work done within 2 days.
-- Finishing a task in such short time is a (an) __________.
| A．conclusion | B．challenge | C．explanation | D．approach |
--I think _____possible that he has got the ticket for tonight’s concert .
--So do I. He seemed very happy for the whole afternoon.
| A．what | B．it | C．this | D．as |
Mr. Li’ s house is so big, about _____ours.
| A．as big as twice | B．as big twice as |
| C．twice as big as | D．as twice big as |
Up to now, Marin _____in the library for about two hours.
| A．read | B．had read |
| C．has been reading | D．would read |
Recently, there have been many occasions ______ you have attended events on your own.
| A．where | B．which | C．when | D．why |
In front of our house ________ we used to swim.
| A．a river lies that | B．does a river lie where |
| C．lies a river which | D．lies a river where |