The first week of university is an exciting time _______ freshmen familiarize themselves with their college and make new friends.
Selecting a mobile phone for personal use is not an easy task because technology ________ so rapidly.
Visitors ________ not to touch the exhibits.
—Sorry,sir,your car isn't ready yet.It ________ by our workers.—Oh,my God,when can I come to fetch it?
If their marketing plans succeed,they ________ their sales by 20 percent.
The wet weather will continue tomorrow when a cold front ________ to arrive.