已知am=9，an=8，ak=4，则am﹣2k+n= ．
已知am=9，an=8，ak=4，则am﹣2k+n= ．
已知am=3，an=4，则a3m+2n=____.
已知am=3，an=4，则a3m+2n=____.
已知am=4，an=3，则am+2n=( )
已知am=4，an=3，则am+2n=( )
已知am=4，an=3，则a3m-2n=（ ）
已知am=4，an=3，则a3m-2n=（ ）
Which of the following time is proper if you want to make an A: ? B: at 7:00 am C: at 4:00 pm D: at the midnight E: at 4:00 am
Which of the following time is proper if you want to make an A: ? B: at 7:00 am C: at 4:00 pm D: at the midnight E: at 4:00 am
When does the store open A: 8:30 am B: 9 am C: 5 pm D: 4:30 pm
When does the store open A: 8:30 am B: 9 am C: 5 pm D: 4:30 pm
4) Read one chapter of a novel that I am interested in every week.
4) Read one chapter of a novel that I am interested in every week.
已知am=4，an=2，al=3，求am-n-l的值．
已知am=4，an=2，al=3，求am-n-l的值．
【单选题】) — ____ you Miss Smith? — Yes, I ____ . A. Are; are B. Am; am C. Are; am D. Is; am A. Are are B. Am am C. Are am D. Is am
【单选题】) — ____ you Miss Smith? — Yes, I ____ . A. Are; are B. Am; am C. Are; am D. Is; am A. Are are B. Am am C. Are am D. Is am
I tired but I hungry.: am ; am not|am; am|are; are not|is; is not
I tired but I hungry.: am ; am not|am; am|are; are not|is; is not