23. There were reports that three companies were ______ to market drug.
The prices of houses, ____________ is often reported, have been going up sharply in the past few months.
Wang Lin failed to be admitted by Hong Kong University last year, and only then _____________the importance of English.
By playing with the native boys and girls, one can ______ a lot of their language.
You__________the parcel home. The shop would have delivered it if you had asked.
__________annoyed him most was that he had received no apology.