—_____ did Mr Li finish the work last night? —At about eleven, I think.
#55982
A
What
B
Where
C
Who
D
When
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A tourist will easily lose his way in Shanghai_____ he has a map or a guide.
#56219
A
if
B
since
C
while
D
unless
—Tom isn’t feeling very well. —He seems to have a cold the weather changes suddenly.
#55789
A
before
B
so
C
because
D
if
The bus driver always says to us ,“Don’t get off________ the bus stops.”
#57772
A
when
B
while
C
until
D
if
