rst thing you must remember is that in order to succeed, it is almost compulsory that you ______ optimistic.

The company has made it clear that any application form _______untilnow properly will not be accepted [ ]

Lee is new in Nanchang. Maybe he needs a_____for sightseeing.

下列各句中，没有语病、句意明确的一项是 （ ）

Elephants can remember the places ___food and water.