5. “Was his father very strict with him when he was at school?” “Yes. He had never praised him _______ he became one of the top students in his grade.” 
#80146
A
after
B
unless
C
until
D
when
推荐题目
The teacher talked in a very low voice_____make himself________, clearly.
#34188
A
in order to; hear
B
so as not; hear
C
in order not to; heard
D
so that to; heard
It ____in this new hall ____ was just set up last month ________ we held an important meeting yesterday.
#33318
A
is; which; that
B
was; which; what
C
is; that; which
D
was; which; that
It may not rain, but you had better take an umbrella__________.
#80306
A
in case
B
as well
C
as least
D
in need