_______ raiding for camels was a significant part of Bedouin life has

been documented in Wilfed Thesiger’s Arabian Sands.

A. That

B. Which

C. What

D. Where

I’ve never really enjoyed going to the ballet or the opera; they’re not really my_________.
A. piece of cake B. sweets and candy C. biscuit D. cup of tea

You look exhausted. You __________ in the garden all day.
A. must have been working B. must have worked
C. must be working D. can’t have worked

Ann: “Does the global warming worry you?” Mathew: “ __________”.
A. What a shame! B. Oh, it’s hotter and hotter
C. I can’t bear to think about it. D. I don’t like hot weather.

Peter: “Is it important?”. Thomas: “_________________”.
A. Not on your life ! B. It’s a matter of life and death!
C. No worry, that’s nothing . D. It’s ridiculous.

Determining the mineral content of soil samples is an exacting process; _________ experts must
perform detail tests to analyze soil specimens.
A. so that B. however C. afterwards D. therefore

For the first time _________, large portions of the universe can be observed simultaneously.
A. since history B. in history
C. history began D. of the beginning of history

The issue _________ question is more complex than you think.
A. from B. at C. on D. in

It is _________ opportunity to see African wildlife in its natural environment.
A. an unique B. a unique C. the unique D. unique

He has been waiting for this letter for days, and at _________ it has come.
A. last B. the end C. present D. the moment