There were ___ typewriters in the office, and ____ of them was/were pregnant.
There were ___ typewriters in the office, and ____ of them was/were pregnant.
We have seen your advertisement __________ portable typewriters in South China Morning Post. 答
We have seen your advertisement __________ portable typewriters in South China Morning Post. 答
2 . We have seen your advertisement portable typewriters in "South China Morning Post". A: of B: on C: at D: in
2 . We have seen your advertisement portable typewriters in "South China Morning Post". A: of B: on C: at D: in
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