It was after he had read the requirements _______ Mr. Black realized the task was too difficult to be finished.
A.when | B.that | C.which | D.what |
If ______ in wet sand, the vegetables can ______ fresh for a long time.
A.being buried; remain | B.buried; remain |
C.buried; be remained | D.burying; remain |
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 |