--Is there anything else that I can do for you?--No, thanks. I am very ______ with what you’ve done for me.
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.
There are _____advertisements which encourage ______to participate in improving their neighbourhood.