The second-hand car David bought the other day is as good as new; ______ it is in excellent condition.

Apple’s iPad2 uses a 9.7-inch touch screen like the iPad. ______, it is equipped with a pair of new cameras, which the iPad doesn’t have.

As is known to all language learners, the newly learnt words will soon be forgotten unless they are _______ used in everyday communication.

Many people spoke highly of the plan at the meeting, but _______ I don’t think it is of much practical use.

I felt ______ tired, but he didn’t stop ______.