题目内容

She ______ never ______ snow.

A. has; saw
B. has; seen
C. did; see
D. have; seen

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We ______ English for many years.

A. did learn
B. were learning
C. have learned
D. learn

He ______ the exam last year.

A. fails
B. fail
C. failed
D. is failing

______ the class ______ 10 minutes ago?

A. Has; started
B. Did; start
C. Was; starting
D. Is; starting

There ______ some water in the glass.

A. is
B. are
C. be
D. has

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