- Mom, shall we have dinner now? - No, we don’t have dinner _____ your father comes back.
#57879
A
until
B
since
C
while
D
after
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I don’t know _____ or not he will come . _______ he comes , I will call you .
#55872
A
whether ; If
B
whether ; Whether
C
if ; If
D
if ; Whether
 There’re too many clothes in the shop. I really can’t decide           .
#57190
A
which to buy coat
B
to buy which coat
C
which coat should I buy
D
which coat to buy