The team has worked hard and its efforts have been ____with success.

If you don’t know ________ the new robottoy, you’d better read the instructions first.

Jim, remember to return this book by Friday.—_______.

To make sure that relics in he museum are well preserved, Tibet’s cultural preservationinstitutions have ________ modern technologies to monitor the conditions of the relics.[ ]

don’t go there, ______