It was in the year 1999 ____ John Smith found a way to send messages on the Internet.
A: in which
B: that
C: when
D: which
A: in which
B: that
C: when
D: which
举一反三
- It was in the year 1925__________John Baird found a way to send pictures by wireless. A: when B: that C: on which D: which
- 5. Which of the following is not a way to avoid viruses? A: Use a firewall. B: Be careful about unknown messages C: Do not surf. D: Disconnecting from the Internet.
- It was in the year 1925__________John Baird found a way to send pictures by wireless.
- It was at the very beginning _____ Mr. Smith made a decision ____ we should send for a doctor. A: what, that B: that, which C: which, that D: that, that
- That is the day _____ he found his new job. A: on when B: which C: on which D: in which