When________ that it was getting late, I put off the light and went to bed.
A. find
B. finding
C. found
D. to find
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The library _____ next year will be more advanced than the old one.
A. built
B. to be built
C. being built
D. to build
She _______ 100 pages of the book today.
A. has already read
B. already reads
C. already read
D. was already read
____，the bus started at once.
A. The signal was given
B. The signal giving
C. The signal given
D. When the signal given
______in this way, the situation doesn' t seem so disappointing.
A. To look
B. Looking at
C. Looked at
D. To be looked at
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