Busy ___he is ,he can fulfill the task ahead of the schedule.
A. because
B. as
C. no matter how
D. although
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Only in the way______solve the problem.
A. we can
B. can we
C. would we
D. wewould
Never__to the U.S.A..
A. I have been
B. do l have
C. have I been
D. have l do
Do you know John always quarreled with his mother? I don't know_______
A. nor don't I care
B. l don't care neither
C. nor do I care
D. I don't care also
Scarcely had l went home___ he went out.
A. when
B. than
C. while
D. as
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