You _____ arrive at 6:00 a.m., but you arrived at 7:00a.m. last Sunday. Don’t be late this time.A. supposed toB.were supposed to C. are supposed to
Bob can play ________ tennis but can’t play ________ violin.
---Excuse me,Can this magazine be taken out of the reading room? -----,———you can only read it here.
-----Do you know how long the diameter of the Mars? -----It’s didmeter is 53%_____that of the earth?
I swam in the river and caught a small fish yesterday afternoon. ----_____
---how many students are there in the classroom? ---_____Idon’t know where they have gone.