Walking alone in the deserted village, John was scared. He thought he _______ Tom to go with him.
| A．might have asked | B． should ask |
| C．must have asked | D．should have asked |
—Could you tell me the way to ____ Johnsons, please?
—Sorry, we don’t have______Johnson here in the village.
| A．that; the | B．the; a | C．不填；the | D．the; 不填 |
Health problems are closely connected with bad eating habits and a ____ of exercise.
| A．limit | B．lack | C．need | D．demand |
It is reported that two schools, _____ are being built in my hometown, will open next year.
| A．they both | B．which both | C．both of them | D．both of which |
By serving others, a person focuses on someone other than himself or herself, ______ can be very eye-opening and rewarding.
| A．who | B．which | C．what | D．that |
The book is of great value. _____ can be enjoyed unless you digest it.
| A．Nothing | B．Something | C．Everything | D．Anything |