1. I love this painting of an old man. He has such a beautiful, _________smile.
A.childhood
B.childish
C.chidless
D.childlike
2. It was raining __________we cancelled the trip to the beach.
A.although
B.because
C.so
D.but
3. Jane enjoyed the party, but ______Tom, he was simply bored.
A.for
B.buy
C.about
D.from
4. They wasted ______time searching for the car keys.
A.priceless
B.costly
C.valuable
D.expensive
5. Because it had not rained for several months, there was a _______of water.
A.shortage
B.drop
C.scarce
D.waste
6. Many students aren't keen _____their study at school.
A.about
B.for
C.with
D.on
7. I've decided ________for a better job.
A.to apply
B.applying
C.apply
D.applied
8. In the last thirty years, space exploration _______great contributions to weather forecasting.
A.makes
B.has made
C.is making
D.made
9. Please write your answers _______ink.
A.of
B.with
C.in
D.by
10. Bread is usually made ________wheat.
A.from
B.of
C.with
D.by