Robert is interested in ________ astronomy and he wishes he could make a trip into ________ space one day.
| A．the; the | B．an; the | C．an; / | D．/; / |
The manager told us that very little ____ was made of the waste material in the past.
| A．cost | B．value | C．use | D．matter |
______ I explained on the phone, your request will be considered at the next meeting.
| A．When | B．After | C．As | D．Since |
Eliza remembers everything exactly as if it _________ yesterday.
| A．was happening | B．happens | C．has happened | D．happened |
--- Don’t you think it necessary that he __________ to Miami but to New York?
--- I agree, but the problem is __________ he has refused to.
| A．will not be sent; that | B．not be sent; that |
| C．should not be sent; what | D．should not send; what |
His failure made him aware ___ he had made a great mistake in working out the plan.
| A．of that | B．of | C．that | D．that of |