Yesterday, when I went past the classroom, I _______ someone _______.
#42070
A
hear, singing
B
heard, singing
C
heard, sang
D
hear, sang
推荐题目
Mr. Zhang ________ as an engineer since he came to the computer company in 2008.
#36700
A
works
B
worked
C
has worked
D
had worked
6. So far, most of the work by others, it’s your turn to do the rest of it.
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A
finished
B
has finished
C
has been finished
D
is finished
Mr. Green _______ his lessons when I went into his office.
#36585
A
prepares
B
prepared
C
is preparing
D
was preparing