In the past the trip ...............very rough and often dangerous, but things a great deal in the last hundred and fifty years.

A. was / have changed        B. is / change

C. had been / will change      D. has been / changed

In the 19th century, it ...............two or three months to cross North America by covered wagon.

A. took      B. had taken       C. had taken        D. was taking

In the last hundred years, traveling ............... much easier and more comfortable.

A. becomes      B. has become       C. became       D. will become

I love ............... films but I seldom find time to go the cinema.

A. see      B. saw       C. seen       D. seeing

John ............... a respectful and obedient student.

A. said to be        B. is said       C. is said being        D. is said to be

 The worker was ............... his boss expected, so he was offered a raise.

A. more hard-working         B. as hard-working than

C. more hard-working than     D. more hard-working as

Sometimes I do not feel like ............... to my sibling about my troubles.

 A. talk        B. to talk          C. talking       D. talked

We are not allowed ............... jeans at school.

 A. wear       B. to wear        C. wearing         D. worn

With greatly increased workloads, everyone is ............... pressure now.

A. under       B. above         C. upon       D. out of

Where is Jimmy? - He is work. He is ............... busy ............... his monthly report.

A. on / for      B. in / about       C. to / through       D. at / with