There were two boys in the lab,_____did the experiment successfully.

It comes as ______ surprise that ______ dream of spacetravel will soon come true

下列各句中，没有语病的一句是（ ）

Mom, today I received a message telling me to sendmoney to the account.—Delete it. It’s a trick. Many a person________ by such tricks.

Help ____ to some cakes, Jim.—Thank you.