Last week he told me that he__(finish) reading the book,
A. finish
B. will finish
C. had finishef
D. has finished
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Before we began to do the experiment,we __(make) all preparations.
A. will make
B. had made
C. made
D. maje
When the mother came in, the baby __(sleep).
A. will sleep
B. was sleeping
C. slept
D. skeeo
He used to __(swim)when he was young.
A. swim
B. swimming
C. swam
D. swum
He told me that he had __(be ) to the USA three times before.
A. being
B. was
C. to be
D. been