You will find ______ useful to learn even a little English.
| A．it | B．it was | C．that | D．this |
Lily comes from ___________.
A.Chinese B. England C. American
Please come to school _______ 7am______ Sunday.
A. on at B. at in C. at on
---________ did you go hiking? --- last weekend.
A. When B. What C. Where
My parents went to Zhongshan _______ bike.
A. by B. on C. with
Look! The children _________ their classroom!
A. cleaned
B. are cleaning
C. are going to clean