.______________________ (只有集中精力于工作) could he forget his own troubles.
Only by focusing his attention on work
第1题:
A、would
B、should
C、must
D、could
第2题:
We _____ rather talk about football or the weather or what we had for lunch.
A: will
B: should
C: would
D: could
第3题:
第4题:
A、were capable of
B、are able to
C、have the capabilities of
D、could
第5题:
I was surprised when the shopkeeper told me that my father had visited the shop, paid for the framing and______ them wrapped.
A、should
B、would
C、had
D、could