—Have you finished your homework?
—Not yet. Now I regret the whole afternoon surfing on the Internet.
| A．wasting | B．in wasting |
| C．to waste | D．to be wasting |
By boat is the only way to get here， which is _______ we arrived．（ ）
| A． |
where |
B． |
when |
C． |
why |
D． |
how |
This is _________ my father has taught me-to always face difficulties and hope for the best.
| A． |
how |
B． |
which |
C． |
that |
D． |
what |
-Good morning, Mr. Lee's office.
-Good morning. I'd like to make an appointment _________ next Wednesday afternoon.
| A． |
for |
B． |
on |
C． |
in |
D． |
at |
They might have found a better hotel if they _________ a few more kilometers.
| A． |
drove |
B． |
would drive |
C． |
were to drive |
D． |
had driven |
In today's information age, the loss of data _________ cause serious problems for a company.
| A． |
need |
B． |
should |
C． |
can |
D． |
must |