The manager reminds jack ___________ late for the meeting the next day

1. The manager reminds jack ___________ late for the meeting the next day
A. to be not    B. not to me      C. don't be       D. not be
2. Tourists are impressed by the ________ of Ha Long Bay.
3. My children enjoy __________ about wild animals and natural mysteries
A. haven't they       B. have they      C. read       D. to read
4. The population of that area has __________ from 22,000 to 25,000 over the past 2 years
A. increased      B. decreased       C. improved       D. reduced