22 I couldn't answer your call this morning as I__a lecture. A) gaveB) was givingC) am givingD) had given A: a B: b C: c D: d

2022-06-07

22 I couldn't answer your call this morning as I__a lecture. A) gaveB) was givingC) am givingD) had given
A: a
B: b
C: c
D: d

答案：

B

0
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1
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