Something must be done to solve this problem.
→ Urgent .......................................................................................... ....................

Cell phones have been popular in Japan (0. since) the early 1990s, but it was (1)_______ until 1999 that their use really took off.

I know I (14. not write) to you before, but I (15. be) so busy recently that I (16. not have) time for writing letters. I (17. telephone) you instead, but I (18. forget) your number.

Finish each of the following sentences in such a way that it means the same as the sentence printed before it

Her mother (29. go) abroad last month, so it (30. not be) her you see at the theater last Sunday.