We were told not to touch the equipment in the laboratory unless ________.
#101834
A
allowed to do
B
allowing to do
C
allowed to
D
allowing to
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Unfortunately, when I dropped in, Dr. Green ______, so we only had time for a few words.
#100866
A
just left
B
has just left
C
had just left
D
was just leaving
The Titanic, the biggest ship of its day, ____ unsinkable, but it sank on its first voyage in 1912.
#104179
A
thought
B
was thought
C
thought it
D
was thought it
Henry works as a teacher now, but he ______ on a farm for three years.
#101652
A
has worked
B
had worked
C
worked
D
had been working
What do you imagine _____ him from going?
#104383
A
to prevent
B
preventing
C
to have prevented
D
prevented
(2013·高考重庆卷)A Midsummer Night’s Dream________at the Theatre Royal on 19th June，and then tours throughout Scotland.
#99706
A
opens
B
is opened
C
will open
D
will be opened