Mary is often heard ________ playing piano in the next room in the evening.
#97118
A
practise
B
to practise
C
practising
D
practiced
推荐题目
To read Tolstoy and ____ to the nineteenth century Russian literature are two excellent reasons for taking Professor Morrel’s course.
#98098
A
to introduce
B
introduce
C
being introduced
D
to be introduced
Miss Sullivan clarified the science Project in Simple but vivid language so as to make it easier for teenagers ________.
#89649
A
understanding
B
to understand
C
understood
D
to be understood
Many things such as going abroad and owning a car, ____ impossible in the past, are now very common．
#94159
A
being considered
B
to be considered
C
considering
D
considered
Every detail should be thought of _______ that nothing unexpected happens again.
#96511
A
to make sure
B
make sure
C
making sure
D
be made sure
He felt______as soon as he realized that he had asked a foolish question.
#97264
A
bored
B
displeased
C
embarrassed
D
disappointed