1. Singapore is famous for its …………. and green trees.
A.cleanliness
B.cleanly
C.clean
D.cleaning
2. …………… water is one of the factors that have driven many species to the verge of extinction.
A.Contamination
B.Contaminate
C.Contaminated
D.Contaminating
3. Too much carbon dioxide in the atmosphere causes global …………….
warm
warmly
warmth
warming
4. When we were on holiday, we spend too .......... money.
much
many
a lot
lots of
5. If people work so much, they .......... depressed and eat more.
may have felt
may feel
felt
have felt
6. I spend .............my spare time gardening.
the most of
most of the
most of
most
7. .................cups of coffee have you taken?
How many
How much
How
How long
8. If children don’t play sports, they .............. sleepy and tired.
would feel
had felt
feel
will feel
9. We couldn’t buy anything because ............... of the shops were open.
all
none
half
most
10. They could understand our conversation if they ......... some English.
knew
know
known
knows
Loga
Sinh Học lớp 12
