Tim is often heard loudly in the next room．
Yes．Listen!You can hear him there now!（ ）
| A． |
to sing，singing |
B． |
sing，singing |
| C． |
singing，to sing |
D． |
to sing，to sing |
相关试题
It is reported that heads of the stale 29foreign countries attended the Belt and Road Forum for International Cooperation（一带一路国际合作高峰论坛） May 14and 15，2017．（ ）
| A． |
in； at |
B． |
at for |
C． |
from；on |
D． |
of；in |
There many foreign students in her class．
Yes．I know two oft hem are ．（ ）
| A． |
are； Japanese |
B． |
is； Australian |
| C． |
are；Germany |
D． |
is； America |
Although he is 8﹣year﹣old boy，he can play violin very well．（ ）
| A． |
an； a |
B． |
the； a |
C． |
a；the |
D． |
an； the |
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