Tenses — English (Language & Literature) STD 10 — Question

Complete the given sentence, by filling in the blank with the correct option:
Many researchers_____________how small business owners can be successful beyond the initial few years in business.
(a) have studied
(b) has studied
(c) had studied
(d) is studied

Fill in the blank to complete the sentence in a teacher’s diary by choosing the correct option.
_____ student in the class submitted their assignment on time.
A. All
B. One
C. Every
D. A

She__________ told me that she English fluently and was very happy.

Fill in the blank with appropriate preposition using the given alternatives.
We shall finish this work ________ 5 p.m. today. (in, by, on, at)

Fill in the blank with appropriate modals choosing from 'have to 'has to' or 'had to'.
We ______ borrow money as there was lack of funds.

Fill in the blank with the correct option from the two options given in brackets.
In the company, the Chairman and the Director always ______ (help/ helps) the employees.

Fill up the blank by using the correct tense form of the verbs given in bracket.
Disease-causing microbes _______ (be) called pathogens.