Câu hỏi: Gold _______in California in the 19th century.

A. was discovered

B. has been discovered

C. was discover

D. they discovered

Câu 1: Tom is watching TV now. So ____________.

A. does Mary

B. Mary

C. is Mary

D. Mary does

Câu 2: When we were on holiday, we used ________ to the beach every day.

A. go

B. to go

C. going

D. gone

Câu 3: You should learn ________ heart all the new words for revision.

A. by

B. in

C. for

D. of

Câu 4: Ba always ____________ the homework before going to class.

A. does

B. dos

C. do

D. is doing

Câu 5: When my father was young, he _____ work in the garden for long hours.

A. can

B. could

C. will

D. should

Câu 6: There _______ a flower vase, a jar of jam, and some flour on the table.

A. be

B. is

C. are

D. were