The teacher told us ________________ our finished exams.
A. where we should leave
B. where should we leave
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A computer program is a piece of_______.
A. hardware
B. software
C. underwear
D. computer
____ allows people to compose, send, and receive messages quickly and conveniently at any time rather than going to the post office and mailing a letter.
A website
B. Email
C. Web browser
D. A chat room
Before you _______, you need to check the system requirements to make sure it is compatible with your system.
A. check your email
B. surf the Internet
C. write an email
D. install new software
More and more companies are ______ about their products and services as a way to promote more business online.
A. building websites
B. downloading files
C. scanning for viruses
D. sending files