Question 47. If/ you/ try/ best/ learn English/ home/ you/ good/ speak it.
A. If you try your best to learn English at home, you will be good at speaking it.
B. If you try your best learn English at home, you will be good at speaking it.
C. If you tried your best to learn English at home, you will be good at speaking it.
D. If you try your best to learn English at home, you would be good at speaking it.
Question 50. If / there / be/ no Covid -19 pandemic/we/ not/ have to/ cancel the trip/ the mountain.
A. If there is no Covid -19 pandemic, we would not have to cancel the trip to the mountain.
B. If  there were no Covid -19 pandemic, we would not have to cancel the trip to the mountain.
C. If there were no Covid -19 pandemic, we will not have to cancel the trip to the mountain.
D. If there was no Covid -19 pandemic, we will have to cancel the trip to the mountain.