Look at the photos ____ I took in the Yellowstone National Park.
A. what B. that C. where D. whose
I’ll see to your cat when you aren’t in ? What does the underlined phrase mean ?
A. look after B. take care C. look at D. look for
----______is the population of your city? -----About two million.
A .How many B. How much C. What D. Which
Please open a window _________ turning on air conditioning.
A. instead of B. instead C. not D. rather
In those days ,books could only be produced one at a time _____________.
A. in handB. with hand C. by handD. by hands
Food safety is important. Rules _____ to stop people from food pollution.
A. must make B. must be made C. mustn’t make D.
mustn’t be made
