– Is the math problem ______?
-- Yes, I can work it out ______.
| A．easy； easily | B．easy ； easy |
| C．easily ； easy | D．easily ； easily |
With the development of the technology, nobody knows ________ the world will be like.
| A． |
that |
B． |
what |
C． |
how |
—Must I answer this question in English?
—No, you ________.
| A． |
mustn’t |
B． |
needn’t |
C． |
can’t |
Two ________ dollars is enough to buy the bike, but I can’t afford ________ it.
| A． |
hundreds, to buy |
B． |
hundreds, buy |
C． |
hundred, to buy |
—Lucy, where is Mr. Wang?
—Hе ________ Beijing to attend a meeting.
| A． |
has gone to |
B． |
has been to |
C． |
has been in |
While we ________ an English song, some visitors came into our classroom.
| A． |
were singing |
B． |
sang |
C． |
are singing |