.
To be honest, I doubt ___ I'm making any difference to these boys' lives at all.

－How do you usually find out about new software?
－In the magazines like Popular Electronics. That’s______computer companies usually advertise.

.
The fact _______ women can work as well as men is clear.
A. that    B. which    D. what    D. whether

It was because he was seriously ill _________ he was late for school.

We donated some money and clothing to the children ________ parents were killed in the earthquake.

.
Most business letters and government reports are the main situations _________ formal language is used. ^*

They will fly to Washington, ______they plan to stay for two or three days.

– What do you think of teaching, Bob?
-- I find it fun and challenging. It is a job ________ you are doing something serious but interesting.

His parents thought he was working very hard in the room, _____in fact, he was chatting with his friends on the Internet.

.It is reported that two exhibition centres, ____are being built in my city, will
open next year.