It’s quite a time _____ Liu Xiang was injured in the foot, but we are sure it won’t be long _____ he returns to the track.
A.after; when | B.before; since | C.that; when | D.since; before |
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It’s quite a time _____ Liu Xiang was injured in the foot, but we are sure it won’t be long _____ he returns to the track.
A.after; when | B.before; since | C.that; when | D.since; before |