Downward Movement

We saw a major ...... in the sales of our flagship mobile phones last quarter.
1. tumble
2. tamble
3. tumbble
4. tummble
Unfortunately, the company's revenues ...... a tumble last month.
1. took
2. brought
3. had
4. surfed
Honestly, it's hard to believe that our foreign joint ventures have all taken such a dramatic tumble ...... profits.
1. in
2. of
3. on
4. about
Are you really trying to justify a tumble ...... nearly a million dollars worth of shares?
1. of
2. in
3. about
4. at
There is no way we could overcome a tumble ...... sales as easily as this.
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2. on
3. of
4. about
A tumble ...... imports is going to slow down our production process too.
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The senior financial advisor does not believe we can overcome a significant tumble ...... production this year.
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How are you going to explain a tumble ...... nearly 1.3 per cent in our market shares to the CEO, Sarah?
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If we truly witness a major tumble ...... computer purchases, we will have to consider closing down some of our less productive branches.
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Unfortunately, the company has seen a tumble ...... almost 4.2 per cent in the sales of most products on offer.
1. of
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4. at