Do you remember there _____ a river here?
| A．used to being | B．used to be | C．was used to be | D．was used to being |
—The transportation in our country is much more ______than it used to be.
—But traveling becomes much easier!
| A．convenient | B．expensive | C．difficult | D．trendy |
—Are you sure you can do well in this mid-term exam, Lucy?
—______.I’ve got everything ready.
| A．It’s hard to say | B．I’m afraid not |
| C．I think so | D．I hope not |
_____useful book it is!
| A．How | B．How a | C．What a | D．What |
______ leaves the room last should turn off the lights.
| A．Whenever | B．Wherever | C．Whatever | D．Whoever |
—At present, one of the best ways to study is working in groups.
—More chances ________ to students to learn from each other.
| A．offer | B．are offered |
| C．have offered | D．are offering |