though thought through thorough

(i) Magma rises ........................... cracks in the Earth's crust.

Magma rises through cracks in the Earth's crust.

(g) Tunnels have been drilled ................ some fold mountains to make straight roads.

Tunnels have been drilled through some fold mountains to make straight roads.

(e) In the 17th century, many people ....................... that the Earth was flat.

In the 17th century, many people thought that the Earth was flat.

(j) For many believers, Heaven is a comforting ........................... .

For many believers, Heaven is a comforting thought.

(b) If you present a .................. analysis of the facts, you'll do well in the exam.

If you present a thorough analysis of the facts, you'll do well in the exam.

(c) The German troops went ...................... Belgium to attack France.

The German troops went through Belgium to attack France.

(d) The Prime Minister raised taxes even ............................. it was unpopular.

The Prime Minister raised taxes even though it was unpopular.

(h) The report was a ......................... investigation into the business's problems.

The report was a thorough investigation into the business's problems.

(f) The ................ reshuffling of the cabinet caused some ministers to lose their jobs.

The thorough reshuffling of the cabinet caused some ministers to lose their jobs.

(a) ................ the 1920s had been a 'boom time', there were still economic problems.

Though the 1920s had been a 'boom time', there were still economic problems.

through (preposition)

by means of, by way of

though (conj)

however, although

thorough (adj)

painstaking, careful, take care

thought (past verb)

past tense of think