The man we followed suddenly stopped and looked as if _____ whether he was going the the right direction.
#88582
A
seeing
B
having seen
C
to have seen
D
to see
推荐题目
The factory ________ in the newspaper that they had some old machines for sale.
#93542
A
selected
B
solved
C
designed
D
advertised
It rained heavily in the south, serious flooding in several provinces.\
#92083
A
caused
B
having caused
C
causing
D
to cause
He spent every minute he could _____ spoken English.
#97454
A
practise
B
to practise
C
practising
D
practised
It is typical of students to stay up ________ deep into the night for the final exam.
#89575
A
to read
B
having read
C
to have read
D
reading
“ Have you decided when ________?” “ Yes, tomorrow morning.”
#98794
A
to leave
B
to be leaving
C
will you leave
D
are you leaving