How ______ universe came into being is a puzzle to ______ scientists of all generations. A. the; 不填 B. an; the C. a; 不填 C. 不填;the
Sorry, dear. It’s my _____to have you take tablets by ____.
To _____, in the school art festival next week, the quiet boy will have an opportunity to attract public attention.
In the coming school sports meet, the school will have us ____ groups.
If you can’t understand these sentences, your constant lack of handing in homework ____.
We all ____ that the construction of the bridge will be finished next term.