）45．—Did you have anyone ______ the trees?
—Yes，I had the trees ______.
A. to water，water B. to water，watered
C. water，to be watered D. water，watered
（ ）46．—Do you still remember ______ me somewhere in Shanghai?
—Yes，of course. Two years ago.
A. to see B. see
C. seeing D. saw
（ ）47 .The young lady watched her daughter ______a yo-yo yesterday afternoon.
A. to play with B. playing with C. to play D. plays
（ ）48．No matter how hard it is, we’ll keep ______ until we make it.
A. failed B. failing C. tried D. trying
（ ）49．I have finished ______this book. You can take it away.
A. to read B. read C. reading D. reads
（ ）50．I hear someone ______at the door. Please go and see who ______ is.
A. knock, it B. knocking,. it C. knocking, he D. knock, he
（ ）51．He is too old ______the box.
A. to carry B .carrying C. carry D. carries
（ ）52．—I saw Betty go to Grandpa Zhang’s home just now.
—Yes, she is often seen ______ the old man with his housework.
A. help B. to help C. helps D. helped
—Yes，I had the trees ______.
A. to water，water B. to water，watered
C. water，to be watered D. water，watered
（ ）46．—Do you still remember ______ me somewhere in Shanghai?
—Yes，of course. Two years ago.
A. to see B. see
C. seeing D. saw
（ ）47 .The young lady watched her daughter ______a yo-yo yesterday afternoon.
A. to play with B. playing with C. to play D. plays
（ ）48．No matter how hard it is, we’ll keep ______ until we make it.
A. failed B. failing C. tried D. trying
（ ）49．I have finished ______this book. You can take it away.
A. to read B. read C. reading D. reads
（ ）50．I hear someone ______at the door. Please go and see who ______ is.
A. knock, it B. knocking,. it C. knocking, he D. knock, he
（ ）51．He is too old ______the box.
A. to carry B .carrying C. carry D. carries
（ ）52．—I saw Betty go to Grandpa Zhang’s home just now.
—Yes, she is often seen ______ the old man with his housework.
A. help B. to help C. helps D. helped