―Do you know where David is? I couldn’t find him anywhere.―Well. He ______ have gone far — his coat’s still here.
It is said that his carelessness ____ the terrible accident.
Tom as well as his friends ____ to visit our school soon after they arrive in Changsha.
By the time you ____ in, I ____ two letters.
To ____ your dream of becoming a scientist, you must work hard from now on.
I suggest ______10% of the bill for the waiter or waitress if a tip isn’t included.