单项填空（共 20 题）
1. — Did your mother do anything special on your birthday?
—Yes. She made me a cake in the ______ of a heart.
A. height B. shape C. style D. number
2. — Dear, what about going to the beaches for vacation?
—Great! _______we’re lying on the beach in the sun, enjoying music. It must be great
A. Pretend B. Promise C. Mention D. Imagine
3. Climbing mountains was ______, so we all felt _____.
A. tiring; tired B. tired; tiring C. tiring; tiring D. tired; tired
4. There is a river ______ around our school.
A. to run B. run C. running D. to be running
5. How about the two of us ______ a walk down the garden?
A. to take B. take C. taking D. to be taken
6. Bamboo is used ______ houses in some places.
A. to build B. to building C. to be built D. being built
7. It is 50 years _____________the People’s Republic of China was founded.
A. after B. before C. when D. since
8. Have you visited the house _____ the famous scientist was born?
A. where B. in that C. that D. which
9. _____it rain tomorrow, we would have to put off the visit to the Yangpu Bridge.
A. Were B. Should C. Would D. Will
10. It is one of the important problems ______ tomorrow.
A. to solve B. to be solved C. solved D. solving