I’m sorry you’ve been waiting so long,but it’ll still be some time_____Tom gets back.
| A．when | B．before | C．after | D．since |
—Shall I help you, sir?
—I appreciate ____ if you do me the favor to pack the luggage.
| A．/ | B．that | C．you | D．it |
Helping others is a habit, ___ you can learn even at an early age.
| A．it | B．that | C．one | D．those |
The new group of students are better-behaved than the other group who stayed here___
| A．early | B．earlier | C．earliest | D．the earliest |
The children loved their day trip, and they enjoyed the horse ride___
| A．most | B．more | C．less | D．little |
As you know, I’m still buried in books at ____school you are so familiar with.
| A．the | B．a | C． / | D．an |