-- Tony, do you know if Frank ______ to the park with us this Sunday if it ______? -- Sorry, I have no idea.
—Excuse me, could you please tell me ___? —Sorry. But the bus stop is over there. You can go and check the bus lines.
Our physics teacher told us that the light ___faster than the sound.
As students ,we don’t have to spend a lot of money ___presents for our parents.
He promised___his old friend during his stay in Tianjin.
-Which dress would you like,Madam?—Sorry,I can’t decide ____now.