Only when humans employ non-chemical approaches to pest control _________.
A. will creatures such as roaches and rodents be sucessfully eliminated.

B. creatures such as roaches and rodents will be successfully eliminated.
C. will creatures such as roaches and rodents be successful elimination.
D. that creatures such as roaches and rodents will be successfully eliminated.

Question 20: The__________ cheered when the final goal was scored in the match today.
A. spectators B. onlookers C. viewers D. audience

In my hometown, there is a park_______ has a beautiful lake.

in which B. in where C. which         D. where

ietnam has established many national parks to protect wildlife.

found B. maintained C. set up D. preserved

What I like about you is your enthusiasm for work.

desire B. appreciation C. concentration         D. eagerness

Instead of _______ about the good news, Hilary seemed to be indifferent.

to be excited B. being exciting C. to excite      D. being excited

The Earth is the only_______ having life in the solar system.

A. constellation B. star C. comet D. planet

Have you seen the place_______ the graduation ceremony will be held?

where B. in that C. which         D. in where that

Be careful_______ these chemicals, they may do harm_______ your health.

with-to B. of-to C. x – for          D. with – for

Jim_______ to his girlfriend on the phone when I_______ in.

A. talked, came B. talked, was coming

C. was talking, was coming D. was talking, came