例句： He doesn't know how to dispose of his spare time.

例句： Genetic engineering will have revolutionary consequences for mankind.

例句： the utmost tip of the peninsula.

例句： I always confounded him with his twin brother.

例句： on three successive days.

例句： A pension is often commutable into a lump sum.

例句： This glue doesn't stick very well.

例句： Most foreign students here are graduate students.

例句： He exchanged intimacies with his bosom friend at the party.

例句： Tomorrow I will be very busy.