-____ I swim here?
-I’m sorry.Children under 12_____ swim alone here.
A.Can;mustn’t B.May;.must
C.Must;can’t D.Can’t;can
Would you mind____ me how____ English well?
A.tell;1earn B.telling;to learn
C.telling;learn D.tell;to learn
Bob used to ______in the countryside . But now he is used to _________in the big city .
A. live; living B. living ; living
C. living , live D. alive live
How long can I_______ your book?
A.borrow B. lend C. keep D. Borrowed
Can you explain to me __________ this math problem?
A. what to do B. how to do
C. what to do it D. how to do it
Here are some books, could you please _______
A. take out them B. take them out
C. take it out D. take out them