摘要：--I so busily recently that I have no time to help you with your math. -- That's OK. I can manage it by myself. A. have been working B. worked C. was working D. had been working
网址：http://m.1010jiajiao.com/timu_id_1679387[举报]
－I ________ so busily recently that I have no time to help you with your math．
－That’s OK．I can manage it by myself．
[ ]
A．have been working
B．worked
C．was working
D．had been working
--- I ______ so busily recently that I ______ no time to help you with your math.
--- That’s OK. I can manage it by myself.
A.have been working; have
B.have worked; had
C.am working; will have
D.had been working; had had
查看习题详情和答案>>--- I ______ so busily recently that I ______ no time to help you with your math.
--- That’s OK. I can manage it by myself.
A. have been working; have
B. have worked; had
C. am working; will have
D. had been working; had had
查看习题详情和答案>>