________, I could not memorize the text.
| A．However hard did I try | B．However hard I tried |
| C．However I tried hard | D．However I had tried hard |
This dictionary is at least three times as thick as you borrowed from the library.
| A．one | B．that | C．it | D．those |
The city is 1.500 kilometers ______ our school.
| A．far away | B．far away from | C．far away | D．away from |
Let ‘s go to ____cinema ----that will take your mind off the problem for ___ while.
| A．the ; the | B．the; a | C．a; the | D．a ; a |
Such food doesn’t keep long. You may as wellit in fridge.
| A．compensate | B．process | C．preserve | D．reserve |
David did not regret saying what he did but felt that heit differently.
| A．could express | B．would express |
| C．could have expressed | D．must have expressed |