Having a good command of the language of the country where you are going to study is necessary, because language skills affect you perform academically.
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.