A lot of tall buildings _______in his hometown in the last three years. A: have built up B: built up C: were built up D: have been built up

They have a good reputation. A: build up B: built up C: been built up D: building up

They __________ a good reputation. A: have built up B: has built up C: builds up D: have build up

So I _______ the confidence that I could compete at North Caroline. A: had built up B: have built up C: have built uphave build up D: had build up

A．built upB．build upC．builtD．build A: built up B: build up C: built D: build

This doctor has _____ a good reputation over the years. A: built in B: built out C: built on D: built up

In our fast-paced world, it is almost impossible to avoid ____ tension from stress. A: to build up B: building up C: to have built up D: having built up

The city wall of Troy is said to be built up by Poseidon.

Tension has been ___ between the employers and the workers on strike. A: built up B: put up C: grown up D: pulled up

The noise ______ until she couldn’t stand it any longer. ( ) A: built up B: set up C: called up - D: rang up