The chemistry teacher warns us ________ in the laboratory.
A. not to smokeB. against smoking
C. of smokingD. A or B
The ________ boy whose mother was lost in the disaster is looking for her now.
A. frightenedB. frighteningC. frightenD. scaring
Granny filled the hole ________ oil ________ water in order to put the key into the lock easily.
A. by; instead ofB. of; instead of
C. with; insteadD. with; instead of
We ________ the national flag when the sun ________ in the east every morning.
A. raise; raisesB. rise; rises
C. raise; risesD. rise; raise
In the flood, about ________ people were injured and ________ houses fell into pieces.
A. two million; millions of
B. two millions; million of
C. two millions; millions
D. two million; million of
It was reported that ________ the houses were destroyed in the earthquake.
A. a great deal of
B. the great number of
C. a large amount of
D. a great many
