-- Do you still remember when we went to Nanjing?
--- I can’t remember now but _________ sometime last summer?
| A．might it be | B．could it be | C．could it have been | D．should it have been |
There is no such place ______ you dream of in this world.
| A．that | B．what | C．which | D．as |
----When can we go to visit you?
---- Anytime you feel like ______.
| A．one | B．it | C．that | D．so |
The trouble with such resources as coal, oil and gas ______ that they are not renewable.
| A．was | B．are | C．have been | D．is |
Besides being able to walk on for three days without drinking, camels can also live for a long time ______ small quantities of food.
| A．with | B．on | C．by | D．without |
On the double 11th day, my uncle’s online store has successfully sold _____ shoes as last year, that is, it can hardly make ______ progress.
| A．as many twice; worse | B．as many twice; bad |
| C．twice as many; good | D．twice as many; better |