( ) 1.It is important for us ________English well.
A. to learn B. learning C. learns D. learned
( ) 2. Alice ____to see his aunt if she ___free tomorrow. If she ___，I will call you.
A. will come; will be; comes B. come; is; will come
C. will come; is; comes D. comes; will be; will come
( ) 3. Yesterday the teacher told us that the earth ________around the sun.
A moved B. moves C. was moving D. had moved
