Ihavebeenstudyinghereforfouryears,bynextsummerI________.
A、shallgraduateHefellasleepimmediatelylastnight;hemust________(be)verytired.
________(fail)severaltimes,theyneedsomeencouragement.
A great number of small power stations ________ (set up) in their county since liberation.
Ihavebeenstudyinghereforfouryears,bynextsummerI________.
The more we looked at the picture, ________.