Not only Tony but also Betty to go sightseeing with friends. A. want B. wantsC. wantingD.

问题补充：

Not only Tony but also Betty to go sightseeing with friends.

A. want

B. wants

C. wanting

D. is want

答案：

A. want

(答案→)B. wants

C. wanting

D. is want

解析：句意：不仅是Tony, Betty也想和朋友一起去观光。Not only…but also不仅，而且；其谓语动词要与后面的主语保持一致，即“就近原则”，故选B。