The guide_______ not to show the visitors around such a large hall with so many exhibits within such a short time.

[　　]

A． will request　 B． requests　 C． is requesting　 D． is requested

He didn抰 tell _____ thing about his holiday .

[　　]

A． a　B． the　 C． one　 D． any　one

Delivery is free ______ charge if goods are paid for in advance .

[　　]

A． from　 B． in　 C． of　 D． at

A robot can only do ________ you have programmed it to do.

[　　]

A．how　 B． after　　　C． what　　D． when

The construction of the new airport is completed at last but ________ will need a lot of work before passengers can enjoy its comfort and convenience.

[　　]

A． they　 B． it　 C． one　D． which

－ ＿＿ my dictionary?

－ Yes, I saw it on your desk a minute ago.

[　　]

A． Do you see　 　B． Had you seen

C． Would you see　 D． Have you seen

We won't start ＿＿ Bob ＿＿ .

[　　]

A． until , comes　B． before , will come

C． till , has come　D． after , came

The rainy season is coming and let's make full use of the ＿＿ days to dry whatever is needed to dry before the next dry season.

[　　]

A． few last sunny　　 B． last few sunny

C． last sunny few 　D． few sunny last

You抎 better ＿＿ more time reading complete passages instead of ＿＿your time trying to recite grammar rules .

[　　]

A． spend , spend　　B． spend , waste

C． spend , wasting　 D． spending , wasting

With a lot of difficult problems________, the manager felt worried all the time．