Choose the correct answerI ___________ grammar for 3 years.
have been studying
Choose the correct answerScientists ___________ invented medicines to cure many diseases.
none of these
Choose the apt answerHe has helped me many times since he __________ here.
Choose the correct answerI ________ grammar now.
had been studying
Choose the correct answerGanga ___________ here last week.
Choose the correct answerI ______ (thank)him for what he ________(do) for me.
thanked, had done
had thanked, did
had thanked, had done
Choose the correct answerDaya ____________ waiting for one hour when I went there.
Choose the apt answerSince he ______________(come) here , I ________ ( not talk) to him.
had come, had not talked
have come, did not talk
came, did not talk
came, have not talked
Choose the correct answerThe President ____________(go) to Malaysia next week.
Choose the correct answerHe is ______________.