Belt and Road project has been on smoothly, ______ has led to more nations joining.
A.that B.which C.what D.it
______ in the queue for half an hour, the old man suddenly realized he had left the mobile phone in the car.
A.To wait B.To be waiting C.Having waited D.To have waited
He gave me an apple _____ a cake.
A.by means of B.in place of C.with regard to D.in exchange for
It was Ms Li ______ me a hand when I had trouble with English grammar rules.
A.who lent B.that lends C.whom lent D.whose lend
Mr Smith’s doctor suggested that he ______ and exercise regularly.
A.should eat B.will eat C.can eat D.would eat
How to ______ the quality of food has become a focus now.
A.advocate B.guarantee C.possess D.measure